Home / 8,251,382.25-12,390,028.38-6,988,545.81

Finding the Fourth Proportional to 8,251,382.25, 12,390,028.38 and 6,988,545.81

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Solution

The fourth proportional to 8,251,382.25, 12,390,028.38 and 6,988,545.81 is: 10,493,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251,382.25 : 12,390,028.38 = 6,988,545.81 : x
  2. Step 2: Convert to fraction form
    8,251,382.25/12,390,028.38 = 6,988,545.81/x
  3. Step 3: Cross multiply
    8,251,382.25x = 12,390,028.38 × 6,988,545.81
  4. Step 4: Simplify right side
    8,251,382.25x = 86,588,280,920,830.09
  5. Step 5: Solve for x
    x = 86,588,280,920,830.09/8,251,382.25
  6. Step 6: Final answer
    x = 10,493,791.02

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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.