Home / 12,834,333.15-19,238,545.86-8,045,385.47

Finding the Fourth Proportional to 12,834,333.15, 19,238,545.86 and 8,045,385.47

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Solution

The fourth proportional to 12,834,333.15, 19,238,545.86 and 8,045,385.47 is: 12,059,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834,333.15 : 19,238,545.86 = 8,045,385.47 : x
  2. Step 2: Convert to fraction form
    12,834,333.15/19,238,545.86 = 8,045,385.47/x
  3. Step 3: Cross multiply
    12,834,333.15x = 19,238,545.86 × 8,045,385.47
  4. Step 4: Simplify right side
    12,834,333.15x = 154,781,517,325,972.66
  5. Step 5: Solve for x
    x = 154,781,517,325,972.66/12,834,333.15
  6. Step 6: Final answer
    x = 12,059,957.89

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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.