Home / 8,219,500.11-12,278,849.40-5,925,446.46

Finding the Fourth Proportional to 8,219,500.11, 12,278,849.40 and 5,925,446.46

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Solution

The fourth proportional to 8,219,500.11, 12,278,849.40 and 5,925,446.46 is: 8,851,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,500.11 : 12,278,849.40 = 5,925,446.46 : x
  2. Step 2: Convert to fraction form
    8,219,500.11/12,278,849.40 = 5,925,446.46/x
  3. Step 3: Cross multiply
    8,219,500.11x = 12,278,849.40 × 5,925,446.46
  4. Step 4: Simplify right side
    8,219,500.11x = 72,757,664,710,103.12
  5. Step 5: Solve for x
    x = 72,757,664,710,103.12/8,219,500.11
  6. Step 6: Final answer
    x = 8,851,835.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.