Home / 43,723,612.80-65,585,419.20-13,432,982.40

Finding the Fourth Proportional to 43,723,612.80, 65,585,419.20 and 13,432,982.40

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Solution

The fourth proportional to 43,723,612.80, 65,585,419.20 and 13,432,982.40 is: 20,149,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,723,612.80 : 65,585,419.20 = 13,432,982.40 : x
  2. Step 2: Convert to fraction form
    43,723,612.80/65,585,419.20 = 13,432,982.40/x
  3. Step 3: Cross multiply
    43,723,612.80x = 65,585,419.20 × 13,432,982.40
  4. Step 4: Simplify right side
    43,723,612.80x = 881,007,781,810,222.12
  5. Step 5: Solve for x
    x = 881,007,781,810,222.12/43,723,612.80
  6. Step 6: Final answer
    x = 20,149,473.60

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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.