Home / 39,788,369.28-54,903,078.72-25,098,520.32

Finding the Fourth Proportional to 39,788,369.28, 54,903,078.72 and 25,098,520.32

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Solution

The fourth proportional to 39,788,369.28, 54,903,078.72 and 25,098,520.32 is: 34,632,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,788,369.28 : 54,903,078.72 = 25,098,520.32 : x
  2. Step 2: Convert to fraction form
    39,788,369.28/54,903,078.72 = 25,098,520.32/x
  3. Step 3: Cross multiply
    39,788,369.28x = 54,903,078.72 × 25,098,520.32
  4. Step 4: Simplify right side
    39,788,369.28x = 1,377,986,036,884,479.50
  5. Step 5: Solve for x
    x = 1,377,986,036,884,479.50/39,788,369.28
  6. Step 6: Final answer
    x = 34,632,885.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.