Home / 12,487,046.14-18,730,141.51-5,293,948.06

Finding the Fourth Proportional to 12,487,046.14, 18,730,141.51 and 5,293,948.06

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Solution

The fourth proportional to 12,487,046.14, 18,730,141.51 and 5,293,948.06 is: 7,940,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,046.14 : 18,730,141.51 = 5,293,948.06 : x
  2. Step 2: Convert to fraction form
    12,487,046.14/18,730,141.51 = 5,293,948.06/x
  3. Step 3: Cross multiply
    12,487,046.14x = 18,730,141.51 × 5,293,948.06
  4. Step 4: Simplify right side
    12,487,046.14x = 99,156,396,310,389.97
  5. Step 5: Solve for x
    x = 99,156,396,310,389.97/12,487,046.14
  6. Step 6: Final answer
    x = 7,940,740.76

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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.