Home / 31,434,538.29-47,151,809.60-8,715,436.17

Finding the Fourth Proportional to 31,434,538.29, 47,151,809.60 and 8,715,436.17

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Solution

The fourth proportional to 31,434,538.29, 47,151,809.60 and 8,715,436.17 is: 13,073,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434,538.29 : 47,151,809.60 = 8,715,436.17 : x
  2. Step 2: Convert to fraction form
    31,434,538.29/47,151,809.60 = 8,715,436.17/x
  3. Step 3: Cross multiply
    31,434,538.29x = 47,151,809.60 × 8,715,436.17
  4. Step 4: Simplify right side
    31,434,538.29x = 410,948,586,825,216.06
  5. Step 5: Solve for x
    x = 410,948,586,825,216.06/31,434,538.29
  6. Step 6: Final answer
    x = 13,073,154.85

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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.