Home / 14,013,586.80-21,020,380.20-12,498,979.95

Finding the Fourth Proportional to 14,013,586.80, 21,020,380.20 and 12,498,979.95

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Solution

The fourth proportional to 14,013,586.80, 21,020,380.20 and 12,498,979.95 is: 18,748,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,586.80 : 21,020,380.20 = 12,498,979.95 : x
  2. Step 2: Convert to fraction form
    14,013,586.80/21,020,380.20 = 12,498,979.95/x
  3. Step 3: Cross multiply
    14,013,586.80x = 21,020,380.20 × 12,498,979.95
  4. Step 4: Simplify right side
    14,013,586.80x = 262,733,310,661,176.97
  5. Step 5: Solve for x
    x = 262,733,310,661,176.97/14,013,586.80
  6. Step 6: Final answer
    x = 18,748,469.93

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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.