Home / 13,570,034.31-18,726,792.03-7,375,081.05

Finding the Fourth Proportional to 13,570,034.31, 18,726,792.03 and 7,375,081.05

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Solution

The fourth proportional to 13,570,034.31, 18,726,792.03 and 7,375,081.05 is: 10,177,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570,034.31 : 18,726,792.03 = 7,375,081.05 : x
  2. Step 2: Convert to fraction form
    13,570,034.31/18,726,792.03 = 7,375,081.05/x
  3. Step 3: Cross multiply
    13,570,034.31x = 18,726,792.03 × 7,375,081.05
  4. Step 4: Simplify right side
    13,570,034.31x = 138,111,609,027,744.03
  5. Step 5: Solve for x
    x = 138,111,609,027,744.03/13,570,034.31
  6. Step 6: Final answer
    x = 10,177,690.48

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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.