Home / 9,789,136.20-13,510,253.60-5,921,685.04

Finding the Fourth Proportional to 9,789,136.20, 13,510,253.60 and 5,921,685.04

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Solution

The fourth proportional to 9,789,136.20, 13,510,253.60 and 5,921,685.04 is: 8,172,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,136.20 : 13,510,253.60 = 5,921,685.04 : x
  2. Step 2: Convert to fraction form
    9,789,136.20/13,510,253.60 = 5,921,685.04/x
  3. Step 3: Cross multiply
    9,789,136.20x = 13,510,253.60 × 5,921,685.04
  4. Step 4: Simplify right side
    9,789,136.20x = 80,003,466,629,726.14
  5. Step 5: Solve for x
    x = 80,003,466,629,726.14/9,789,136.20
  6. Step 6: Final answer
    x = 8,172,678.88

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1.5x scale

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.