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Finding the Fourth Proportional to 7,965,793.64, 11,937,389.34 and 6,137,241.32

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Solution

The fourth proportional to 7,965,793.64, 11,937,389.34 and 6,137,241.32 is: 9,197,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,793.64 : 11,937,389.34 = 6,137,241.32 : x
  2. Step 2: Convert to fraction form
    7,965,793.64/11,937,389.34 = 6,137,241.32/x
  3. Step 3: Cross multiply
    7,965,793.64x = 11,937,389.34 × 6,137,241.32
  4. Step 4: Simplify right side
    7,965,793.64x = 73,262,639,110,375.53
  5. Step 5: Solve for x
    x = 73,262,639,110,375.53/7,965,793.64
  6. Step 6: Final answer
    x = 9,197,155.04

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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.