Home / 18,683,560.65-28,029,769.65-9,587,062.20

Finding the Fourth Proportional to 18,683,560.65, 28,029,769.65 and 9,587,062.20

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Solution

The fourth proportional to 18,683,560.65, 28,029,769.65 and 9,587,062.20 is: 14,382,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,560.65 : 28,029,769.65 = 9,587,062.20 : x
  2. Step 2: Convert to fraction form
    18,683,560.65/28,029,769.65 = 9,587,062.20/x
  3. Step 3: Cross multiply
    18,683,560.65x = 28,029,769.65 × 9,587,062.20
  4. Step 4: Simplify right side
    18,683,560.65x = 268,723,145,086,222.19
  5. Step 5: Solve for x
    x = 268,723,145,086,222.19/18,683,560.65
  6. Step 6: Final answer
    x = 14,382,865.78

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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.