Home / 8,857,509.60-13,286,264.40-6,715,999.20

Finding the Fourth Proportional to 8,857,509.60, 13,286,264.40 and 6,715,999.20

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Solution

The fourth proportional to 8,857,509.60, 13,286,264.40 and 6,715,999.20 is: 10,073,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,509.60 : 13,286,264.40 = 6,715,999.20 : x
  2. Step 2: Convert to fraction form
    8,857,509.60/13,286,264.40 = 6,715,999.20/x
  3. Step 3: Cross multiply
    8,857,509.60x = 13,286,264.40 × 6,715,999.20
  4. Step 4: Simplify right side
    8,857,509.60x = 89,230,541,081,388.48
  5. Step 5: Solve for x
    x = 89,230,541,081,388.48/8,857,509.60
  6. Step 6: Final answer
    x = 10,073,998.80

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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.