Home / 31,434,523.29-47,151,787.10-8,715,421.17

Finding the Fourth Proportional to 31,434,523.29, 47,151,787.10 and 8,715,421.17

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Solution

The fourth proportional to 31,434,523.29, 47,151,787.10 and 8,715,421.17 is: 13,073,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434,523.29 : 47,151,787.10 = 8,715,421.17 : x
  2. Step 2: Convert to fraction form
    31,434,523.29/47,151,787.10 = 8,715,421.17/x
  3. Step 3: Cross multiply
    31,434,523.29x = 47,151,787.10 × 8,715,421.17
  4. Step 4: Simplify right side
    31,434,523.29x = 410,947,683,451,095.81
  5. Step 5: Solve for x
    x = 410,947,683,451,095.81/31,434,523.29
  6. Step 6: Final answer
    x = 13,073,132.35

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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.