Home / 7,658,930.40-11,472,649.20-5,265,477.60

Finding the Fourth Proportional to 7,658,930.40, 11,472,649.20 and 5,265,477.60

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Solution

The fourth proportional to 7,658,930.40, 11,472,649.20 and 5,265,477.60 is: 7,887,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,930.40 : 11,472,649.20 = 5,265,477.60 : x
  2. Step 2: Convert to fraction form
    7,658,930.40/11,472,649.20 = 5,265,477.60/x
  3. Step 3: Cross multiply
    7,658,930.40x = 11,472,649.20 × 5,265,477.60
  4. Step 4: Simplify right side
    7,658,930.40x = 60,408,977,375,257.91
  5. Step 5: Solve for x
    x = 60,408,977,375,257.91/7,658,930.40
  6. Step 6: Final answer
    x = 7,887,390.83

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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.