Home / 11,007,568.20-15,197,638.50-7,151,080.44

Finding the Fourth Proportional to 11,007,568.20, 15,197,638.50 and 7,151,080.44

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Solution

The fourth proportional to 11,007,568.20, 15,197,638.50 and 7,151,080.44 is: 9,873,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007,568.20 : 15,197,638.50 = 7,151,080.44 : x
  2. Step 2: Convert to fraction form
    11,007,568.20/15,197,638.50 = 7,151,080.44/x
  3. Step 3: Cross multiply
    11,007,568.20x = 15,197,638.50 × 7,151,080.44
  4. Step 4: Simplify right side
    11,007,568.20x = 108,679,535,411,540.95
  5. Step 5: Solve for x
    x = 108,679,535,411,540.95/11,007,568.20
  6. Step 6: Final answer
    x = 9,873,164.85

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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.