Home / 21,915,998.70-32,873,998.05-9,145,668.30

Finding the Fourth Proportional to 21,915,998.70, 32,873,998.05 and 9,145,668.30

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Solution

The fourth proportional to 21,915,998.70, 32,873,998.05 and 9,145,668.30 is: 13,718,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915,998.70 : 32,873,998.05 = 9,145,668.30 : x
  2. Step 2: Convert to fraction form
    21,915,998.70/32,873,998.05 = 9,145,668.30/x
  3. Step 3: Cross multiply
    21,915,998.70x = 32,873,998.05 × 9,145,668.30
  4. Step 4: Simplify right side
    21,915,998.70x = 300,654,681,860,146.88
  5. Step 5: Solve for x
    x = 300,654,681,860,146.88/21,915,998.70
  6. Step 6: Final answer
    x = 13,718,502.45

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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.