Home / 18,781,276.80-28,192,910.40-14,540,246.40

Finding the Fourth Proportional to 18,781,276.80, 28,192,910.40 and 14,540,246.40

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Solution

The fourth proportional to 18,781,276.80, 28,192,910.40 and 14,540,246.40 is: 21,826,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,781,276.80 : 28,192,910.40 = 14,540,246.40 : x
  2. Step 2: Convert to fraction form
    18,781,276.80/28,192,910.40 = 14,540,246.40/x
  3. Step 3: Cross multiply
    18,781,276.80x = 28,192,910.40 × 14,540,246.40
  4. Step 4: Simplify right side
    18,781,276.80x = 409,931,863,949,122.56
  5. Step 5: Solve for x
    x = 409,931,863,949,122.56/18,781,276.80
  6. Step 6: Final answer
    x = 21,826,623.84

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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.