Home / 8,160,468.24-12,240,259.40-2,480,249.69

Finding the Fourth Proportional to 8,160,468.24, 12,240,259.40 and 2,480,249.69

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Solution

The fourth proportional to 8,160,468.24, 12,240,259.40 and 2,480,249.69 is: 3,720,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,468.24 : 12,240,259.40 = 2,480,249.69 : x
  2. Step 2: Convert to fraction form
    8,160,468.24/12,240,259.40 = 2,480,249.69/x
  3. Step 3: Cross multiply
    8,160,468.24x = 12,240,259.40 × 2,480,249.69
  4. Step 4: Simplify right side
    8,160,468.24x = 30,358,899,508,767.04
  5. Step 5: Solve for x
    x = 30,358,899,508,767.04/8,160,468.24
  6. Step 6: Final answer
    x = 3,720,239.90

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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.