Home / 38,117,807.70-57,187,930.60-13,856,352.18

Finding the Fourth Proportional to 38,117,807.70, 57,187,930.60 and 13,856,352.18

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Solution

The fourth proportional to 38,117,807.70, 57,187,930.60 and 13,856,352.18 is: 20,788,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,117,807.70 : 57,187,930.60 = 13,856,352.18 : x
  2. Step 2: Convert to fraction form
    38,117,807.70/57,187,930.60 = 13,856,352.18/x
  3. Step 3: Cross multiply
    38,117,807.70x = 57,187,930.60 × 13,856,352.18
  4. Step 4: Simplify right side
    38,117,807.70x = 792,416,106,838,998.75
  5. Step 5: Solve for x
    x = 792,416,106,838,998.75/38,117,807.70
  6. Step 6: Final answer
    x = 20,788,606.55

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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.