Home / 27,279,481.60-37,643,004.48-15,055,549.12

Finding the Fourth Proportional to 27,279,481.60, 37,643,004.48 and 15,055,549.12

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Solution

The fourth proportional to 27,279,481.60, 37,643,004.48 and 15,055,549.12 is: 20,775,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279,481.60 : 37,643,004.48 = 15,055,549.12 : x
  2. Step 2: Convert to fraction form
    27,279,481.60/37,643,004.48 = 15,055,549.12/x
  3. Step 3: Cross multiply
    27,279,481.60x = 37,643,004.48 × 15,055,549.12
  4. Step 4: Simplify right side
    27,279,481.60x = 566,736,102,973,020
  5. Step 5: Solve for x
    x = 566,736,102,973,020/27,279,481.60
  6. Step 6: Final answer
    x = 20,775,178.62

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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.