Home / 43,720,740.28-65,569,661.88-13,007,046.88

Finding the Fourth Proportional to 43,720,740.28, 65,569,661.88 and 13,007,046.88

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Solution

The fourth proportional to 43,720,740.28, 65,569,661.88 and 13,007,046.88 is: 19,507,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720,740.28 : 65,569,661.88 = 13,007,046.88 : x
  2. Step 2: Convert to fraction form
    43,720,740.28/65,569,661.88 = 13,007,046.88/x
  3. Step 3: Cross multiply
    43,720,740.28x = 65,569,661.88 × 13,007,046.88
  4. Step 4: Simplify right side
    43,720,740.28x = 852,867,665,978,909
  5. Step 5: Solve for x
    x = 852,867,665,978,909/43,720,740.28
  6. Step 6: Final answer
    x = 19,507,164.35

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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.