Home / 19,432,990.76-29,129,978.09-6,644,749.64

Finding the Fourth Proportional to 19,432,990.76, 29,129,978.09 and 6,644,749.64

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Solution

The fourth proportional to 19,432,990.76, 29,129,978.09 and 6,644,749.64 is: 9,960,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432,990.76 : 29,129,978.09 = 6,644,749.64 : x
  2. Step 2: Convert to fraction form
    19,432,990.76/29,129,978.09 = 6,644,749.64/x
  3. Step 3: Cross multiply
    19,432,990.76x = 29,129,978.09 × 6,644,749.64
  4. Step 4: Simplify right side
    19,432,990.76x = 193,561,411,297,697.38
  5. Step 5: Solve for x
    x = 193,561,411,297,697.38/19,432,990.76
  6. Step 6: Final answer
    x = 9,960,454.04

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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.