Home / 8,157,129.76-12,233,075.34-2,690,995.96

Finding the Fourth Proportional to 8,157,129.76, 12,233,075.34 and 2,690,995.96

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Solution

The fourth proportional to 8,157,129.76, 12,233,075.34 and 2,690,995.96 is: 4,035,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157,129.76 : 12,233,075.34 = 2,690,995.96 : x
  2. Step 2: Convert to fraction form
    8,157,129.76/12,233,075.34 = 2,690,995.96/x
  3. Step 3: Cross multiply
    8,157,129.76x = 12,233,075.34 × 2,690,995.96
  4. Step 4: Simplify right side
    8,157,129.76x = 32,919,156,318,315.62
  5. Step 5: Solve for x
    x = 32,919,156,318,315.62/8,157,129.76
  6. Step 6: Final answer
    x = 4,035,629.85

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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.