Home / 10,365,090.05-15,547,635.08-9,169,347.80

Finding the Fourth Proportional to 10,365,090.05, 15,547,635.08 and 9,169,347.80

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Solution

The fourth proportional to 10,365,090.05, 15,547,635.08 and 9,169,347.80 is: 13,754,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,090.05 : 15,547,635.08 = 9,169,347.80 : x
  2. Step 2: Convert to fraction form
    10,365,090.05/15,547,635.08 = 9,169,347.80/x
  3. Step 3: Cross multiply
    10,365,090.05x = 15,547,635.08 × 9,169,347.80
  4. Step 4: Simplify right side
    10,365,090.05x = 142,561,673,516,000.84
  5. Step 5: Solve for x
    x = 142,561,673,516,000.84/10,365,090.05
  6. Step 6: Final answer
    x = 13,754,021.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.