Home / 9,887,335.76-14,813,560.92-8,659,208.72

Finding the Fourth Proportional to 9,887,335.76, 14,813,560.92 and 8,659,208.72

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Solution

The fourth proportional to 9,887,335.76, 14,813,560.92 and 8,659,208.72 is: 12,973,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887,335.76 : 14,813,560.92 = 8,659,208.72 : x
  2. Step 2: Convert to fraction form
    9,887,335.76/14,813,560.92 = 8,659,208.72/x
  3. Step 3: Cross multiply
    9,887,335.76x = 14,813,560.92 × 8,659,208.72
  4. Step 4: Simplify right side
    9,887,335.76x = 128,273,715,892,715.23
  5. Step 5: Solve for x
    x = 128,273,715,892,715.23/9,887,335.76
  6. Step 6: Final answer
    x = 12,973,536.96

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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.