Home / 23,123,146.60-31,911,901.86-12,813,103.72

Finding the Fourth Proportional to 23,123,146.60, 31,911,901.86 and 12,813,103.72

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Solution

The fourth proportional to 23,123,146.60, 31,911,901.86 and 12,813,103.72 is: 17,683,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123,146.60 : 31,911,901.86 = 12,813,103.72 : x
  2. Step 2: Convert to fraction form
    23,123,146.60/31,911,901.86 = 12,813,103.72/x
  3. Step 3: Cross multiply
    23,123,146.60x = 31,911,901.86 × 12,813,103.72
  4. Step 4: Simplify right side
    23,123,146.60x = 408,890,508,434,640.94
  5. Step 5: Solve for x
    x = 408,890,508,434,640.94/23,123,146.60
  6. Step 6: Final answer
    x = 17,683,168.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.