Home / 5,480,887.20-8,221,330.80-5,386,408.80

Finding the Fourth Proportional to 5,480,887.20, 8,221,330.80 and 5,386,408.80

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Solution

The fourth proportional to 5,480,887.20, 8,221,330.80 and 5,386,408.80 is: 8,079,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,887.20 : 8,221,330.80 = 5,386,408.80 : x
  2. Step 2: Convert to fraction form
    5,480,887.20/8,221,330.80 = 5,386,408.80/x
  3. Step 3: Cross multiply
    5,480,887.20x = 8,221,330.80 × 5,386,408.80
  4. Step 4: Simplify right side
    5,480,887.20x = 44,283,448,568,831.04
  5. Step 5: Solve for x
    x = 44,283,448,568,831.04/5,480,887.20
  6. Step 6: Final answer
    x = 8,079,613.20

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1.5x scale

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.