Home / 21,498,819.32-32,248,028.22-8,716,285.40

Finding the Fourth Proportional to 21,498,819.32, 32,248,028.22 and 8,716,285.40

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Solution

The fourth proportional to 21,498,819.32, 32,248,028.22 and 8,716,285.40 is: 13,074,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498,819.32 : 32,248,028.22 = 8,716,285.40 : x
  2. Step 2: Convert to fraction form
    21,498,819.32/32,248,028.22 = 8,716,285.40/x
  3. Step 3: Cross multiply
    21,498,819.32x = 32,248,028.22 × 8,716,285.40
  4. Step 4: Simplify right side
    21,498,819.32x = 281,083,017,552,774
  5. Step 5: Solve for x
    x = 281,083,017,552,774/21,498,819.32
  6. Step 6: Final answer
    x = 13,074,346.71

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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.