Home / 5,386,220.40-8,079,330.60-5,338,981.20

Finding the Fourth Proportional to 5,386,220.40, 8,079,330.60 and 5,338,981.20

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Solution

The fourth proportional to 5,386,220.40, 8,079,330.60 and 5,338,981.20 is: 8,008,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386,220.40 : 8,079,330.60 = 5,338,981.20 : x
  2. Step 2: Convert to fraction form
    5,386,220.40/8,079,330.60 = 5,338,981.20/x
  3. Step 3: Cross multiply
    5,386,220.40x = 8,079,330.60 × 5,338,981.20
  4. Step 4: Simplify right side
    5,386,220.40x = 43,135,394,181,984.72
  5. Step 5: Solve for x
    x = 43,135,394,181,984.72/5,386,220.40
  6. Step 6: Final answer
    x = 8,008,471.80

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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.