Home / 15,693,976.80-23,540,965.20-8,123,263.20

Finding the Fourth Proportional to 15,693,976.80, 23,540,965.20 and 8,123,263.20

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Solution

The fourth proportional to 15,693,976.80, 23,540,965.20 and 8,123,263.20 is: 12,184,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693,976.80 : 23,540,965.20 = 8,123,263.20 : x
  2. Step 2: Convert to fraction form
    15,693,976.80/23,540,965.20 = 8,123,263.20/x
  3. Step 3: Cross multiply
    15,693,976.80x = 23,540,965.20 × 8,123,263.20
  4. Step 4: Simplify right side
    15,693,976.80x = 191,229,456,301,640.62
  5. Step 5: Solve for x
    x = 191,229,456,301,640.62/15,693,976.80
  6. Step 6: Final answer
    x = 12,184,894.80

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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.