Home / 5,329,165.20-7,993,747.80-4,478,859.60

Finding the Fourth Proportional to 5,329,165.20, 7,993,747.80 and 4,478,859.60

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Solution

The fourth proportional to 5,329,165.20, 7,993,747.80 and 4,478,859.60 is: 6,718,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,165.20 : 7,993,747.80 = 4,478,859.60 : x
  2. Step 2: Convert to fraction form
    5,329,165.20/7,993,747.80 = 4,478,859.60/x
  3. Step 3: Cross multiply
    5,329,165.20x = 7,993,747.80 × 4,478,859.60
  4. Step 4: Simplify right side
    5,329,165.20x = 35,802,874,074,008.88
  5. Step 5: Solve for x
    x = 35,802,874,074,008.88/5,329,165.20
  6. Step 6: Final answer
    x = 6,718,289.40

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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.