Home / 43,647,502.28-65,452,242.46-12,516,280.82

Finding the Fourth Proportional to 43,647,502.28, 65,452,242.46 and 12,516,280.82

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Solution

The fourth proportional to 43,647,502.28, 65,452,242.46 and 12,516,280.82 is: 18,768,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,647,502.28 : 65,452,242.46 = 12,516,280.82 : x
  2. Step 2: Convert to fraction form
    43,647,502.28/65,452,242.46 = 12,516,280.82/x
  3. Step 3: Cross multiply
    43,647,502.28x = 65,452,242.46 × 12,516,280.82
  4. Step 4: Simplify right side
    43,647,502.28x = 819,218,646,928,087.62
  5. Step 5: Solve for x
    x = 819,218,646,928,087.62/43,647,502.28
  6. Step 6: Final answer
    x = 18,768,969.68

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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.