Home / 21,388,034.67-29,515,494.62-11,598,475.92

Finding the Fourth Proportional to 21,388,034.67, 29,515,494.62 and 11,598,475.92

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Solution

The fourth proportional to 21,388,034.67, 29,515,494.62 and 11,598,475.92 is: 16,005,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,034.67 : 29,515,494.62 = 11,598,475.92 : x
  2. Step 2: Convert to fraction form
    21,388,034.67/29,515,494.62 = 11,598,475.92/x
  3. Step 3: Cross multiply
    21,388,034.67x = 29,515,494.62 × 11,598,475.92
  4. Step 4: Simplify right side
    21,388,034.67x = 342,334,753,558,967.12
  5. Step 5: Solve for x
    x = 342,334,753,558,967.12/21,388,034.67
  6. Step 6: Final answer
    x = 16,005,900.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.