Home / 5,427,000.60-8,128,691.10-4,718,412.60

Finding the Fourth Proportional to 5,427,000.60, 8,128,691.10 and 4,718,412.60

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Solution

The fourth proportional to 5,427,000.60, 8,128,691.10 and 4,718,412.60 is: 7,067,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,000.60 : 8,128,691.10 = 4,718,412.60 : x
  2. Step 2: Convert to fraction form
    5,427,000.60/8,128,691.10 = 4,718,412.60/x
  3. Step 3: Cross multiply
    5,427,000.60x = 8,128,691.10 × 4,718,412.60
  4. Step 4: Simplify right side
    5,427,000.60x = 38,354,518,507,747.85
  5. Step 5: Solve for x
    x = 38,354,518,507,747.85/5,427,000.60
  6. Step 6: Final answer
    x = 7,067,351.07

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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.