Home / 17,439,428.30-26,159,142.45-13,656,145.10

Finding the Fourth Proportional to 17,439,428.30, 26,159,142.45 and 13,656,145.10

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Solution

The fourth proportional to 17,439,428.30, 26,159,142.45 and 13,656,145.10 is: 20,484,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439,428.30 : 26,159,142.45 = 13,656,145.10 : x
  2. Step 2: Convert to fraction form
    17,439,428.30/26,159,142.45 = 13,656,145.10/x
  3. Step 3: Cross multiply
    17,439,428.30x = 26,159,142.45 × 13,656,145.10
  4. Step 4: Simplify right side
    17,439,428.30x = 357,233,044,988,769.50
  5. Step 5: Solve for x
    x = 357,233,044,988,769.50/17,439,428.30
  6. Step 6: Final answer
    x = 20,484,217.65

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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.