Home / 31,470,503.92-47,214,156.36-11,277,787.12

Finding the Fourth Proportional to 31,470,503.92, 47,214,156.36 and 11,277,787.12

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Solution

The fourth proportional to 31,470,503.92, 47,214,156.36 and 11,277,787.12 is: 16,919,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470,503.92 : 47,214,156.36 = 11,277,787.12 : x
  2. Step 2: Convert to fraction form
    31,470,503.92/47,214,156.36 = 11,277,787.12/x
  3. Step 3: Cross multiply
    31,470,503.92x = 47,214,156.36 × 11,277,787.12
  4. Step 4: Simplify right side
    31,470,503.92x = 532,471,204,478,474.06
  5. Step 5: Solve for x
    x = 532,471,204,478,474.06/31,470,503.92
  6. Step 6: Final answer
    x = 16,919,691.08

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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.