Home / 43,454,469.60-65,190,452.40-12,748,989.60

Finding the Fourth Proportional to 43,454,469.60, 65,190,452.40 and 12,748,989.60

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Solution

The fourth proportional to 43,454,469.60, 65,190,452.40 and 12,748,989.60 is: 19,126,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454,469.60 : 65,190,452.40 = 12,748,989.60 : x
  2. Step 2: Convert to fraction form
    43,454,469.60/65,190,452.40 = 12,748,989.60/x
  3. Step 3: Cross multiply
    43,454,469.60x = 65,190,452.40 × 12,748,989.60
  4. Step 4: Simplify right side
    43,454,469.60x = 831,112,399,666,895
  5. Step 5: Solve for x
    x = 831,112,399,666,895/43,454,469.60
  6. Step 6: Final answer
    x = 19,126,050.95

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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.