Home / 43,831,939.90-65,747,909.85-18,291,279.10

Finding the Fourth Proportional to 43,831,939.90, 65,747,909.85 and 18,291,279.10

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Solution

The fourth proportional to 43,831,939.90, 65,747,909.85 and 18,291,279.10 is: 27,436,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831,939.90 : 65,747,909.85 = 18,291,279.10 : x
  2. Step 2: Convert to fraction form
    43,831,939.90/65,747,909.85 = 18,291,279.10/x
  3. Step 3: Cross multiply
    43,831,939.90x = 65,747,909.85 × 18,291,279.10
  4. Step 4: Simplify right side
    43,831,939.90x = 1,202,613,369,307,989.25
  5. Step 5: Solve for x
    x = 1,202,613,369,307,989.25/43,831,939.90
  6. Step 6: Final answer
    x = 27,436,918.65

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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.