Home / 14,013,010.80-21,019,516.20-11,178,658.80

Finding the Fourth Proportional to 14,013,010.80, 21,019,516.20 and 11,178,658.80

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Solution

The fourth proportional to 14,013,010.80, 21,019,516.20 and 11,178,658.80 is: 16,767,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,010.80 : 21,019,516.20 = 11,178,658.80 : x
  2. Step 2: Convert to fraction form
    14,013,010.80/21,019,516.20 = 11,178,658.80/x
  3. Step 3: Cross multiply
    14,013,010.80x = 21,019,516.20 × 11,178,658.80
  4. Step 4: Simplify right side
    14,013,010.80x = 234,969,999,740,872.56
  5. Step 5: Solve for x
    x = 234,969,999,740,872.56/14,013,010.80
  6. Step 6: Final answer
    x = 16,767,988.20

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Similar ratio
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1.5x scale

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.