Home / 8,198,718.40-12,298,077.60-5,511,332.80

Finding the Fourth Proportional to 8,198,718.40, 12,298,077.60 and 5,511,332.80

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Solution

The fourth proportional to 8,198,718.40, 12,298,077.60 and 5,511,332.80 is: 8,266,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,718.40 : 12,298,077.60 = 5,511,332.80 : x
  2. Step 2: Convert to fraction form
    8,198,718.40/12,298,077.60 = 5,511,332.80/x
  3. Step 3: Cross multiply
    8,198,718.40x = 12,298,077.60 × 5,511,332.80
  4. Step 4: Simplify right side
    8,198,718.40x = 67,778,798,453,825.27
  5. Step 5: Solve for x
    x = 67,778,798,453,825.27/8,198,718.40
  6. Step 6: Final answer
    x = 8,266,999.20

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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.