Home / 20,065,794.40-30,098,691.60-18,722,101.60

Finding the Fourth Proportional to 20,065,794.40, 30,098,691.60 and 18,722,101.60

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Solution

The fourth proportional to 20,065,794.40, 30,098,691.60 and 18,722,101.60 is: 28,083,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,794.40 : 30,098,691.60 = 18,722,101.60 : x
  2. Step 2: Convert to fraction form
    20,065,794.40/30,098,691.60 = 18,722,101.60/x
  3. Step 3: Cross multiply
    20,065,794.40x = 30,098,691.60 × 18,722,101.60
  4. Step 4: Simplify right side
    20,065,794.40x = 563,510,762,162,266.62
  5. Step 5: Solve for x
    x = 563,510,762,162,266.62/20,065,794.40
  6. Step 6: Final answer
    x = 28,083,152.40

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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.