Home / 21,996,332.28-30,351,839.98-13,173,715.96

Finding the Fourth Proportional to 21,996,332.28, 30,351,839.98 and 13,173,715.96

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Solution

The fourth proportional to 21,996,332.28, 30,351,839.98 and 13,173,715.96 is: 18,177,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996,332.28 : 30,351,839.98 = 13,173,715.96 : x
  2. Step 2: Convert to fraction form
    21,996,332.28/30,351,839.98 = 13,173,715.96/x
  3. Step 3: Cross multiply
    21,996,332.28x = 30,351,839.98 × 13,173,715.96
  4. Step 4: Simplify right side
    21,996,332.28x = 399,846,518,759,892.12
  5. Step 5: Solve for x
    x = 399,846,518,759,892.12/21,996,332.28
  6. Step 6: Final answer
    x = 18,177,872.28

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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.