Home / 31,801,913.28-47,712,446.91-11,328,960.68

Finding the Fourth Proportional to 31,801,913.28, 47,712,446.91 and 11,328,960.68

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Solution

The fourth proportional to 31,801,913.28, 47,712,446.91 and 11,328,960.68 is: 16,996,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,801,913.28 : 47,712,446.91 = 11,328,960.68 : x
  2. Step 2: Convert to fraction form
    31,801,913.28/47,712,446.91 = 11,328,960.68/x
  3. Step 3: Cross multiply
    31,801,913.28x = 47,712,446.91 × 11,328,960.68
  4. Step 4: Simplify right side
    31,801,913.28x = 540,532,435,109,258.56
  5. Step 5: Solve for x
    x = 540,532,435,109,258.56/31,801,913.28
  6. Step 6: Final answer
    x = 16,996,852.68

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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.