Home / 10,516,201.30-15,768,081.15-5,477,353.30

Finding the Fourth Proportional to 10,516,201.30, 15,768,081.15 and 5,477,353.30

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Solution

The fourth proportional to 10,516,201.30, 15,768,081.15 and 5,477,353.30 is: 8,212,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,201.30 : 15,768,081.15 = 5,477,353.30 : x
  2. Step 2: Convert to fraction form
    10,516,201.30/15,768,081.15 = 5,477,353.30/x
  3. Step 3: Cross multiply
    10,516,201.30x = 15,768,081.15 × 5,477,353.30
  4. Step 4: Simplify right side
    10,516,201.30x = 86,367,351,321,620.30
  5. Step 5: Solve for x
    x = 86,367,351,321,620.30/10,516,201.30
  6. Step 6: Final answer
    x = 8,212,789.85

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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.