Home / 43,453,948.60-65,189,670.90-12,748,468.60

Finding the Fourth Proportional to 43,453,948.60, 65,189,670.90 and 12,748,468.60

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Solution

The fourth proportional to 43,453,948.60, 65,189,670.90 and 12,748,468.60 is: 19,125,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453,948.60 : 65,189,670.90 = 12,748,468.60 : x
  2. Step 2: Convert to fraction form
    43,453,948.60/65,189,670.90 = 12,748,468.60/x
  3. Step 3: Cross multiply
    43,453,948.60x = 65,189,670.90 × 12,748,468.60
  4. Step 4: Simplify right side
    43,453,948.60x = 831,068,472,512,983.75
  5. Step 5: Solve for x
    x = 831,068,472,512,983.75/43,453,948.60
  6. Step 6: Final answer
    x = 19,125,269.38

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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.