Home / 25,600,630.21-38,400,982.27-10,454,561.71

Finding the Fourth Proportional to 25,600,630.21, 38,400,982.27 and 10,454,561.71

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Solution

The fourth proportional to 25,600,630.21, 38,400,982.27 and 10,454,561.71 is: 15,681,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600,630.21 : 38,400,982.27 = 10,454,561.71 : x
  2. Step 2: Convert to fraction form
    25,600,630.21/38,400,982.27 = 10,454,561.71/x
  3. Step 3: Cross multiply
    25,600,630.21x = 38,400,982.27 × 10,454,561.71
  4. Step 4: Simplify right side
    25,600,630.21x = 401,465,438,674,326
  5. Step 5: Solve for x
    x = 401,465,438,674,326/25,600,630.21
  6. Step 6: Final answer
    x = 15,681,857.65

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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.