Home / 43,832,005.40-65,748,008.10-18,291,344.60

Finding the Fourth Proportional to 43,832,005.40, 65,748,008.10 and 18,291,344.60

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Solution

The fourth proportional to 43,832,005.40, 65,748,008.10 and 18,291,344.60 is: 27,437,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,832,005.40 : 65,748,008.10 = 18,291,344.60 : x
  2. Step 2: Convert to fraction form
    43,832,005.40/65,748,008.10 = 18,291,344.60/x
  3. Step 3: Cross multiply
    43,832,005.40x = 65,748,008.10 × 18,291,344.60
  4. Step 4: Simplify right side
    43,832,005.40x = 1,202,619,472,920,691.50
  5. Step 5: Solve for x
    x = 1,202,619,472,920,691.50/43,832,005.40
  6. Step 6: Final answer
    x = 27,437,016.90

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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.