Home / 21,909,416.88-32,867,115.82-9,126,931.62

Finding the Fourth Proportional to 21,909,416.88, 32,867,115.82 and 9,126,931.62

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Solution

The fourth proportional to 21,909,416.88, 32,867,115.82 and 9,126,931.62 is: 13,691,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,416.88 : 32,867,115.82 = 9,126,931.62 : x
  2. Step 2: Convert to fraction form
    21,909,416.88/32,867,115.82 = 9,126,931.62/x
  3. Step 3: Cross multiply
    21,909,416.88x = 32,867,115.82 × 9,126,931.62
  4. Step 4: Simplify right side
    21,909,416.88x = 299,975,918,635,760.19
  5. Step 5: Solve for x
    x = 299,975,918,635,760.19/21,909,416.88
  6. Step 6: Final answer
    x = 13,691,643.20

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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.