Home / 13,608,044.10-20,412,066.15-12,013,721.10

Finding the Fourth Proportional to 13,608,044.10, 20,412,066.15 and 12,013,721.10

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Solution

The fourth proportional to 13,608,044.10, 20,412,066.15 and 12,013,721.10 is: 18,020,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,044.10 : 20,412,066.15 = 12,013,721.10 : x
  2. Step 2: Convert to fraction form
    13,608,044.10/20,412,066.15 = 12,013,721.10/x
  3. Step 3: Cross multiply
    13,608,044.10x = 20,412,066.15 × 12,013,721.10
  4. Step 4: Simplify right side
    13,608,044.10x = 245,224,869,800,850.75
  5. Step 5: Solve for x
    x = 245,224,869,800,850.75/13,608,044.10
  6. Step 6: Final answer
    x = 18,020,581.65

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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.