Home / 7,715,275.76-11,575,160.78-3,454,447.54

Finding the Fourth Proportional to 7,715,275.76, 11,575,160.78 and 3,454,447.54

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Solution

The fourth proportional to 7,715,275.76, 11,575,160.78 and 3,454,447.54 is: 5,182,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,275.76 : 11,575,160.78 = 3,454,447.54 : x
  2. Step 2: Convert to fraction form
    7,715,275.76/11,575,160.78 = 3,454,447.54/x
  3. Step 3: Cross multiply
    7,715,275.76x = 11,575,160.78 × 3,454,447.54
  4. Step 4: Simplify right side
    7,715,275.76x = 39,985,785,681,575.48
  5. Step 5: Solve for x
    x = 39,985,785,681,575.48/7,715,275.76
  6. Step 6: Final answer
    x = 5,182,677.45

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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.