Home / 6,893,793.28-9,510,972.24-3,991,600

Finding the Fourth Proportional to 6,893,793.28, 9,510,972.24 and 3,991,600

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Solution

The fourth proportional to 6,893,793.28, 9,510,972.24 and 3,991,600 is: 5,506,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893,793.28 : 9,510,972.24 = 3,991,600 : x
  2. Step 2: Convert to fraction form
    6,893,793.28/9,510,972.24 = 3,991,600/x
  3. Step 3: Cross multiply
    6,893,793.28x = 9,510,972.24 × 3,991,600
  4. Step 4: Simplify right side
    6,893,793.28x = 37,963,996,793,184
  5. Step 5: Solve for x
    x = 37,963,996,793,184/6,893,793.28
  6. Step 6: Final answer
    x = 5,506,982.19

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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.