Home / 14,646,655.20-20,212,862.52-8,120,891.76

Finding the Fourth Proportional to 14,646,655.20, 20,212,862.52 and 8,120,891.76

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Solution

The fourth proportional to 14,646,655.20, 20,212,862.52 and 8,120,891.76 is: 11,207,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646,655.20 : 20,212,862.52 = 8,120,891.76 : x
  2. Step 2: Convert to fraction form
    14,646,655.20/20,212,862.52 = 8,120,891.76/x
  3. Step 3: Cross multiply
    14,646,655.20x = 20,212,862.52 × 8,120,891.76
  4. Step 4: Simplify right side
    14,646,655.20x = 164,146,468,684,680.81
  5. Step 5: Solve for x
    x = 164,146,468,684,680.81/14,646,655.20
  6. Step 6: Final answer
    x = 11,207,095.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.