Home / 8,119,835.56-12,182,472.53-2,655,182.38

Finding the Fourth Proportional to 8,119,835.56, 12,182,472.53 and 2,655,182.38

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Solution

The fourth proportional to 8,119,835.56, 12,182,472.53 and 2,655,182.38 is: 3,983,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,835.56 : 12,182,472.53 = 2,655,182.38 : x
  2. Step 2: Convert to fraction form
    8,119,835.56/12,182,472.53 = 2,655,182.38/x
  3. Step 3: Cross multiply
    8,119,835.56x = 12,182,472.53 × 2,655,182.38
  4. Step 4: Simplify right side
    8,119,835.56x = 32,346,686,332,301.75
  5. Step 5: Solve for x
    x = 32,346,686,332,301.75/8,119,835.56
  6. Step 6: Final answer
    x = 3,983,662.74

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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.