Home / 43,831,948.40-65,747,922.60-18,291,287.60

Finding the Fourth Proportional to 43,831,948.40, 65,747,922.60 and 18,291,287.60

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Solution

The fourth proportional to 43,831,948.40, 65,747,922.60 and 18,291,287.60 is: 27,436,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831,948.40 : 65,747,922.60 = 18,291,287.60 : x
  2. Step 2: Convert to fraction form
    43,831,948.40/65,747,922.60 = 18,291,287.60/x
  3. Step 3: Cross multiply
    43,831,948.40x = 65,747,922.60 × 18,291,287.60
  4. Step 4: Simplify right side
    43,831,948.40x = 1,202,614,161,379,140
  5. Step 5: Solve for x
    x = 1,202,614,161,379,140/43,831,948.40
  6. Step 6: Final answer
    x = 27,436,931.40

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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.