Home / 15,340,398.32-21,170,198.88-8,371,524.92

Finding the Fourth Proportional to 15,340,398.32, 21,170,198.88 and 8,371,524.92

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Solution

The fourth proportional to 15,340,398.32, 21,170,198.88 and 8,371,524.92 is: 11,552,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340,398.32 : 21,170,198.88 = 8,371,524.92 : x
  2. Step 2: Convert to fraction form
    15,340,398.32/21,170,198.88 = 8,371,524.92/x
  3. Step 3: Cross multiply
    15,340,398.32x = 21,170,198.88 × 8,371,524.92
  4. Step 4: Simplify right side
    15,340,398.32x = 177,226,847,485,276.09
  5. Step 5: Solve for x
    x = 177,226,847,485,276.09/15,340,398.32
  6. Step 6: Final answer
    x = 11,552,949.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.