Home / 43,459,969.60-65,198,702.40-12,754,489.60

Finding the Fourth Proportional to 43,459,969.60, 65,198,702.40 and 12,754,489.60

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Solution

The fourth proportional to 43,459,969.60, 65,198,702.40 and 12,754,489.60 is: 19,134,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459,969.60 : 65,198,702.40 = 12,754,489.60 : x
  2. Step 2: Convert to fraction form
    43,459,969.60/65,198,702.40 = 12,754,489.60/x
  3. Step 3: Cross multiply
    43,459,969.60x = 65,198,702.40 × 12,754,489.60
  4. Step 4: Simplify right side
    43,459,969.60x = 831,576,171,694,295
  5. Step 5: Solve for x
    x = 831,576,171,694,295/43,459,969.60
  6. Step 6: Final answer
    x = 19,134,301.73

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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.