Home / 10,128,687.28-15,193,069.85-2,452,319.33

Finding the Fourth Proportional to 10,128,687.28, 15,193,069.85 and 2,452,319.33

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Solution

The fourth proportional to 10,128,687.28, 15,193,069.85 and 2,452,319.33 is: 3,678,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,687.28 : 15,193,069.85 = 2,452,319.33 : x
  2. Step 2: Convert to fraction form
    10,128,687.28/15,193,069.85 = 2,452,319.33/x
  3. Step 3: Cross multiply
    10,128,687.28x = 15,193,069.85 × 2,452,319.33
  4. Step 4: Simplify right side
    10,128,687.28x = 37,258,258,805,360.65
  5. Step 5: Solve for x
    x = 37,258,258,805,360.65/10,128,687.28
  6. Step 6: Final answer
    x = 3,678,488.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.