Home / 8,119,834.93-12,182,471.57-2,655,181.74

Finding the Fourth Proportional to 8,119,834.93, 12,182,471.57 and 2,655,181.74

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Solution

The fourth proportional to 8,119,834.93, 12,182,471.57 and 2,655,181.74 is: 3,983,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,834.93 : 12,182,471.57 = 2,655,181.74 : x
  2. Step 2: Convert to fraction form
    8,119,834.93/12,182,471.57 = 2,655,181.74/x
  3. Step 3: Cross multiply
    8,119,834.93x = 12,182,471.57 × 2,655,181.74
  4. Step 4: Simplify right side
    8,119,834.93x = 32,346,676,060,733.14
  5. Step 5: Solve for x
    x = 32,346,676,060,733.14/8,119,834.93
  6. Step 6: Final answer
    x = 3,983,661.78

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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.