Home / 5,420,423.32-8,140,744.38-4,772,229.32

Finding the Fourth Proportional to 5,420,423.32, 8,140,744.38 and 4,772,229.32

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Solution

The fourth proportional to 5,420,423.32, 8,140,744.38 and 4,772,229.32 is: 7,167,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,423.32 : 8,140,744.38 = 4,772,229.32 : x
  2. Step 2: Convert to fraction form
    5,420,423.32/8,140,744.38 = 4,772,229.32/x
  3. Step 3: Cross multiply
    5,420,423.32x = 8,140,744.38 × 4,772,229.32
  4. Step 4: Simplify right side
    5,420,423.32x = 38,849,499,055,108.94
  5. Step 5: Solve for x
    x = 38,849,499,055,108.94/5,420,423.32
  6. Step 6: Final answer
    x = 7,167,244.47

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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.