Home / 25,600,630.36-38,400,982.50-10,454,561.86

Finding the Fourth Proportional to 25,600,630.36, 38,400,982.50 and 10,454,561.86

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Solution

The fourth proportional to 25,600,630.36, 38,400,982.50 and 10,454,561.86 is: 15,681,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600,630.36 : 38,400,982.50 = 10,454,561.86 : x
  2. Step 2: Convert to fraction form
    25,600,630.36/38,400,982.50 = 10,454,561.86/x
  3. Step 3: Cross multiply
    25,600,630.36x = 38,400,982.50 × 10,454,561.86
  4. Step 4: Simplify right side
    25,600,630.36x = 401,465,447,031,027.44
  5. Step 5: Solve for x
    x = 401,465,447,031,027.44/25,600,630.36
  6. Step 6: Final answer
    x = 15,681,857.88

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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.