Home / 13,590,741.65-18,755,226.25-7,479,170.15

Finding the Fourth Proportional to 13,590,741.65, 18,755,226.25 and 7,479,170.15

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Solution

The fourth proportional to 13,590,741.65, 18,755,226.25 and 7,479,170.15 is: 10,321,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,741.65 : 18,755,226.25 = 7,479,170.15 : x
  2. Step 2: Convert to fraction form
    13,590,741.65/18,755,226.25 = 7,479,170.15/x
  3. Step 3: Cross multiply
    13,590,741.65x = 18,755,226.25 × 7,479,170.15
  4. Step 4: Simplify right side
    13,590,741.65x = 140,273,528,234,128.78
  5. Step 5: Solve for x
    x = 140,273,528,234,128.78/13,590,741.65
  6. Step 6: Final answer
    x = 10,321,256.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.