Home / 38,493,689.09-57,704,366.59-12,916,761.89

Finding the Fourth Proportional to 38,493,689.09, 57,704,366.59 and 12,916,761.89

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Solution

The fourth proportional to 38,493,689.09, 57,704,366.59 and 12,916,761.89 is: 19,363,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493,689.09 : 57,704,366.59 = 12,916,761.89 : x
  2. Step 2: Convert to fraction form
    38,493,689.09/57,704,366.59 = 12,916,761.89/x
  3. Step 3: Cross multiply
    38,493,689.09x = 57,704,366.59 × 12,916,761.89
  4. Step 4: Simplify right side
    38,493,689.09x = 745,353,562,935,487.50
  5. Step 5: Solve for x
    x = 745,353,562,935,487.50/38,493,689.09
  6. Step 6: Final answer
    x = 19,363,006.79

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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.