Home / 7,197,080.88-9,931,963.20-3,933,917.04

Finding the Fourth Proportional to 7,197,080.88, 9,931,963.20 and 3,933,917.04

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Solution

The fourth proportional to 7,197,080.88, 9,931,963.20 and 3,933,917.04 is: 5,428,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197,080.88 : 9,931,963.20 = 3,933,917.04 : x
  2. Step 2: Convert to fraction form
    7,197,080.88/9,931,963.20 = 3,933,917.04/x
  3. Step 3: Cross multiply
    7,197,080.88x = 9,931,963.20 × 3,933,917.04
  4. Step 4: Simplify right side
    7,197,080.88x = 39,071,519,273,132.92
  5. Step 5: Solve for x
    x = 39,071,519,273,132.92/7,197,080.88
  6. Step 6: Final answer
    x = 5,428,800.92

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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.