Home / 28,159,385.92-42,241,262.52-8,461,974.73

Finding the Fourth Proportional to 28,159,385.92, 42,241,262.52 and 8,461,974.73

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Solution

The fourth proportional to 28,159,385.92, 42,241,262.52 and 8,461,974.73 is: 12,693,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159,385.92 : 42,241,262.52 = 8,461,974.73 : x
  2. Step 2: Convert to fraction form
    28,159,385.92/42,241,262.52 = 8,461,974.73/x
  3. Step 3: Cross multiply
    28,159,385.92x = 42,241,262.52 × 8,461,974.73
  4. Step 4: Simplify right side
    28,159,385.92x = 357,444,495,965,269.06
  5. Step 5: Solve for x
    x = 357,444,495,965,269.06/28,159,385.92
  6. Step 6: Final answer
    x = 12,693,618.28

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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.