Home / 12,636,865.17-18,951,681.92-4,117,946.13

Finding the Fourth Proportional to 12,636,865.17, 18,951,681.92 and 4,117,946.13

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Solution

The fourth proportional to 12,636,865.17, 18,951,681.92 and 4,117,946.13 is: 6,175,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636,865.17 : 18,951,681.92 = 4,117,946.13 : x
  2. Step 2: Convert to fraction form
    12,636,865.17/18,951,681.92 = 4,117,946.13/x
  3. Step 3: Cross multiply
    12,636,865.17x = 18,951,681.92 × 4,117,946.13
  4. Step 4: Simplify right side
    12,636,865.17x = 78,042,005,198,865.23
  5. Step 5: Solve for x
    x = 78,042,005,198,865.23/12,636,865.17
  6. Step 6: Final answer
    x = 6,175,740.91

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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.