Home / 8,534,697.28-12,803,318.88-3,142,933.12

Finding the Fourth Proportional to 8,534,697.28, 12,803,318.88 and 3,142,933.12

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Solution

The fourth proportional to 8,534,697.28, 12,803,318.88 and 3,142,933.12 is: 4,714,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534,697.28 : 12,803,318.88 = 3,142,933.12 : x
  2. Step 2: Convert to fraction form
    8,534,697.28/12,803,318.88 = 3,142,933.12/x
  3. Step 3: Cross multiply
    8,534,697.28x = 12,803,318.88 × 3,142,933.12
  4. Step 4: Simplify right side
    8,534,697.28x = 40,239,974,953,873.31
  5. Step 5: Solve for x
    x = 40,239,974,953,873.31/8,534,697.28
  6. Step 6: Final answer
    x = 4,714,868.45

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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.