Home / 19,681,489.91-29,520,241.58-5,306,010.86

Finding the Fourth Proportional to 19,681,489.91, 29,520,241.58 and 5,306,010.86

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Solution

The fourth proportional to 19,681,489.91, 29,520,241.58 and 5,306,010.86 is: 7,958,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,489.91 : 29,520,241.58 = 5,306,010.86 : x
  2. Step 2: Convert to fraction form
    19,681,489.91/29,520,241.58 = 5,306,010.86/x
  3. Step 3: Cross multiply
    19,681,489.91x = 29,520,241.58 × 5,306,010.86
  4. Step 4: Simplify right side
    19,681,489.91x = 156,634,722,500,369.19
  5. Step 5: Solve for x
    x = 156,634,722,500,369.19/19,681,489.91
  6. Step 6: Final answer
    x = 7,958,478.92

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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.