Home / 10,309,679.28-14,227,152.12-5,725,843.92

Finding the Fourth Proportional to 10,309,679.28, 14,227,152.12 and 5,725,843.92

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Solution

The fourth proportional to 10,309,679.28, 14,227,152.12 and 5,725,843.92 is: 7,901,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,679.28 : 14,227,152.12 = 5,725,843.92 : x
  2. Step 2: Convert to fraction form
    10,309,679.28/14,227,152.12 = 5,725,843.92/x
  3. Step 3: Cross multiply
    10,309,679.28x = 14,227,152.12 × 5,725,843.92
  4. Step 4: Simplify right side
    10,309,679.28x = 81,462,452,465,217.11
  5. Step 5: Solve for x
    x = 81,462,452,465,217.11/10,309,679.28
  6. Step 6: Final answer
    x = 7,901,550.60

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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.