Home / 15,724,128,781.02-21,699,833,137.59-9,299,456,117.34

Finding the Fourth Proportional to 15,724,128,781.02, 21,699,833,137.59 and 9,299,456,117.34

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Solution

The fourth proportional to 15,724,128,781.02, 21,699,833,137.59 and 9,299,456,117.34 is: 12,833,566,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724,128,781.02 : 21,699,833,137.59 = 9,299,456,117.34 : x
  2. Step 2: Convert to fraction form
    15,724,128,781.02/21,699,833,137.59 = 9,299,456,117.34/x
  3. Step 3: Cross multiply
    15,724,128,781.02x = 21,699,833,137.59 × 9,299,456,117.34
  4. Step 4: Simplify right side
    15,724,128,781.02x = 201,796,646,016,618,561,536
  5. Step 5: Solve for x
    x = 201,796,646,016,618,561,536/15,724,128,781.02
  6. Step 6: Final answer
    x = 12,833,566,096.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.