Home / 10,018,520.28-13,825,593-5,434,874.28

Finding the Fourth Proportional to 10,018,520.28, 13,825,593 and 5,434,874.28

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Solution

The fourth proportional to 10,018,520.28, 13,825,593 and 5,434,874.28 is: 7,500,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,520.28 : 13,825,593 = 5,434,874.28 : x
  2. Step 2: Convert to fraction form
    10,018,520.28/13,825,593 = 5,434,874.28/x
  3. Step 3: Cross multiply
    10,018,520.28x = 13,825,593 × 5,434,874.28
  4. Step 4: Simplify right side
    10,018,520.28x = 75,140,359,801,448.05
  5. Step 5: Solve for x
    x = 75,140,359,801,448.05/10,018,520.28
  6. Step 6: Final answer
    x = 7,500,145.50

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Double scale
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Similar ratio
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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.