Home / 8,113,474.20-12,146,591.70-7,877,278.20

Finding the Fourth Proportional to 8,113,474.20, 12,146,591.70 and 7,877,278.20

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Solution

The fourth proportional to 8,113,474.20, 12,146,591.70 and 7,877,278.20 is: 11,792,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113,474.20 : 12,146,591.70 = 7,877,278.20 : x
  2. Step 2: Convert to fraction form
    8,113,474.20/12,146,591.70 = 7,877,278.20/x
  3. Step 3: Cross multiply
    8,113,474.20x = 12,146,591.70 × 7,877,278.20
  4. Step 4: Simplify right side
    8,113,474.20x = 95,682,082,002,710.94
  5. Step 5: Solve for x
    x = 95,682,082,002,710.94/8,113,474.20
  6. Step 6: Final answer
    x = 11,792,985.30

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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.