Home / 21,708,129.25-32,555,280.04-7,131,665.20

Finding the Fourth Proportional to 21,708,129.25, 32,555,280.04 and 7,131,665.20

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Solution

The fourth proportional to 21,708,129.25, 32,555,280.04 and 7,131,665.20 is: 10,695,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708,129.25 : 32,555,280.04 = 7,131,665.20 : x
  2. Step 2: Convert to fraction form
    21,708,129.25/32,555,280.04 = 7,131,665.20/x
  3. Step 3: Cross multiply
    21,708,129.25x = 32,555,280.04 × 7,131,665.20
  4. Step 4: Simplify right side
    21,708,129.25x = 232,173,357,699,346.41
  5. Step 5: Solve for x
    x = 232,173,357,699,346.41/21,708,129.25
  6. Step 6: Final answer
    x = 10,695,226.43

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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.