Home / 18,657,707.76-25,738,839.72-10,918,002.24

Finding the Fourth Proportional to 18,657,707.76, 25,738,839.72 and 10,918,002.24

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Solution

The fourth proportional to 18,657,707.76, 25,738,839.72 and 10,918,002.24 is: 15,061,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657,707.76 : 25,738,839.72 = 10,918,002.24 : x
  2. Step 2: Convert to fraction form
    18,657,707.76/25,738,839.72 = 10,918,002.24/x
  3. Step 3: Cross multiply
    18,657,707.76x = 25,738,839.72 × 10,918,002.24
  4. Step 4: Simplify right side
    18,657,707.76x = 281,016,709,717,960.97
  5. Step 5: Solve for x
    x = 281,016,709,717,960.97/18,657,707.76
  6. Step 6: Final answer
    x = 15,061,695.32

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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.