Home / 28,570,379.68-42,866,924.19-9,142,598.44

Finding the Fourth Proportional to 28,570,379.68, 42,866,924.19 and 9,142,598.44

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Solution

The fourth proportional to 28,570,379.68, 42,866,924.19 and 9,142,598.44 is: 13,717,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,570,379.68 : 42,866,924.19 = 9,142,598.44 : x
  2. Step 2: Convert to fraction form
    28,570,379.68/42,866,924.19 = 9,142,598.44/x
  3. Step 3: Cross multiply
    28,570,379.68x = 42,866,924.19 × 9,142,598.44
  4. Step 4: Simplify right side
    28,570,379.68x = 391,915,074,227,092.25
  5. Step 5: Solve for x
    x = 391,915,074,227,092.25/28,570,379.68
  6. Step 6: Final answer
    x = 13,717,531.18

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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.