Home / 28,242,321.20-42,369,819.24-9,074,170.16

Finding the Fourth Proportional to 28,242,321.20, 42,369,819.24 and 9,074,170.16

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Solution

The fourth proportional to 28,242,321.20, 42,369,819.24 and 9,074,170.16 is: 13,613,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,321.20 : 42,369,819.24 = 9,074,170.16 : x
  2. Step 2: Convert to fraction form
    28,242,321.20/42,369,819.24 = 9,074,170.16/x
  3. Step 3: Cross multiply
    28,242,321.20x = 42,369,819.24 × 9,074,170.16
  4. Step 4: Simplify right side
    28,242,321.20x = 384,470,949,432,201.88
  5. Step 5: Solve for x
    x = 384,470,949,432,201.88/28,242,321.20
  6. Step 6: Final answer
    x = 13,613,291.44

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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.