Home / 56,906,412.75-85,359,841.47-13,775,545.71

Finding the Fourth Proportional to 56,906,412.75, 85,359,841.47 and 13,775,545.71

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Solution

The fourth proportional to 56,906,412.75, 85,359,841.47 and 13,775,545.71 is: 20,663,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,906,412.75 : 85,359,841.47 = 13,775,545.71 : x
  2. Step 2: Convert to fraction form
    56,906,412.75/85,359,841.47 = 13,775,545.71/x
  3. Step 3: Cross multiply
    56,906,412.75x = 85,359,841.47 × 13,775,545.71
  4. Step 4: Simplify right side
    56,906,412.75x = 1,175,878,397,968,338.75
  5. Step 5: Solve for x
    x = 1,175,878,397,968,338.75/56,906,412.75
  6. Step 6: Final answer
    x = 20,663,372.39

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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.