Home / 15,675,240,561.06-21,631,134,170.26-9,157,935,973.26

Finding the Fourth Proportional to 15,675,240,561.06, 21,631,134,170.26 and 9,157,935,973.26

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Solution

The fourth proportional to 15,675,240,561.06, 21,631,134,170.26 and 9,157,935,973.26 is: 12,637,543,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675,240,561.06 : 21,631,134,170.26 = 9,157,935,973.26 : x
  2. Step 2: Convert to fraction form
    15,675,240,561.06/21,631,134,170.26 = 9,157,935,973.26/x
  3. Step 3: Cross multiply
    15,675,240,561.06x = 21,631,134,170.26 × 9,157,935,973.26
  4. Step 4: Simplify right side
    15,675,240,561.06x = 198,096,541,760,137,789,440
  5. Step 5: Solve for x
    x = 198,096,541,760,137,789,440/15,675,240,561.06
  6. Step 6: Final answer
    x = 12,637,543,965.50

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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.