Home / 10,370,086.40-15,555,129.60-6,571,251.20

Finding the Fourth Proportional to 10,370,086.40, 15,555,129.60 and 6,571,251.20

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Solution

The fourth proportional to 10,370,086.40, 15,555,129.60 and 6,571,251.20 is: 9,856,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370,086.40 : 15,555,129.60 = 6,571,251.20 : x
  2. Step 2: Convert to fraction form
    10,370,086.40/15,555,129.60 = 6,571,251.20/x
  3. Step 3: Cross multiply
    10,370,086.40x = 15,555,129.60 × 6,571,251.20
  4. Step 4: Simplify right side
    10,370,086.40x = 102,216,664,050,155.52
  5. Step 5: Solve for x
    x = 102,216,664,050,155.52/10,370,086.40
  6. Step 6: Final answer
    x = 9,856,876.80

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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.