Home / 25,600,633.28-38,400,986.87-10,454,564.78

Finding the Fourth Proportional to 25,600,633.28, 38,400,986.87 and 10,454,564.78

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Solution

The fourth proportional to 25,600,633.28, 38,400,986.87 and 10,454,564.78 is: 15,681,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600,633.28 : 38,400,986.87 = 10,454,564.78 : x
  2. Step 2: Convert to fraction form
    25,600,633.28/38,400,986.87 = 10,454,564.78/x
  3. Step 3: Cross multiply
    25,600,633.28x = 38,400,986.87 × 10,454,564.78
  4. Step 4: Simplify right side
    25,600,633.28x = 401,465,604,604,066.69
  5. Step 5: Solve for x
    x = 401,465,604,604,066.69/25,600,633.28
  6. Step 6: Final answer
    x = 15,681,862.25

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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.