Home / 15,563,126.28-21,473,332.02-9,123,354.12

Finding the Fourth Proportional to 15,563,126.28, 21,473,332.02 and 9,123,354.12

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Solution

The fourth proportional to 15,563,126.28, 21,473,332.02 and 9,123,354.12 is: 12,588,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563,126.28 : 21,473,332.02 = 9,123,354.12 : x
  2. Step 2: Convert to fraction form
    15,563,126.28/21,473,332.02 = 9,123,354.12/x
  3. Step 3: Cross multiply
    15,563,126.28x = 21,473,332.02 × 9,123,354.12
  4. Step 4: Simplify right side
    15,563,126.28x = 195,908,812,154,794.91
  5. Step 5: Solve for x
    x = 195,908,812,154,794.91/15,563,126.28
  6. Step 6: Final answer
    x = 12,588,011.47

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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.