Home / 12,911,731.48-19,375,277.10-6,522,630.76

Finding the Fourth Proportional to 12,911,731.48, 19,375,277.10 and 6,522,630.76

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Solution

The fourth proportional to 12,911,731.48, 19,375,277.10 and 6,522,630.76 is: 9,787,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,911,731.48 : 19,375,277.10 = 6,522,630.76 : x
  2. Step 2: Convert to fraction form
    12,911,731.48/19,375,277.10 = 6,522,630.76/x
  3. Step 3: Cross multiply
    12,911,731.48x = 19,375,277.10 × 6,522,630.76
  4. Step 4: Simplify right side
    12,911,731.48x = 126,377,778,395,983.59
  5. Step 5: Solve for x
    x = 126,377,778,395,983.59/12,911,731.48
  6. Step 6: Final answer
    x = 9,787,825.79

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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.