Home / 10,286,999.92-15,400,230.04-6,866,803.20

Finding the Fourth Proportional to 10,286,999.92, 15,400,230.04 and 6,866,803.20

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Solution

The fourth proportional to 10,286,999.92, 15,400,230.04 and 6,866,803.20 is: 10,279,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286,999.92 : 15,400,230.04 = 6,866,803.20 : x
  2. Step 2: Convert to fraction form
    10,286,999.92/15,400,230.04 = 6,866,803.20/x
  3. Step 3: Cross multiply
    10,286,999.92x = 15,400,230.04 × 6,866,803.20
  4. Step 4: Simplify right side
    10,286,999.92x = 105,750,348,919,408.12
  5. Step 5: Solve for x
    x = 105,750,348,919,408.12/10,286,999.92
  6. Step 6: Final answer
    x = 10,279,999.00

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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.