Home / 18,270,372.82-25,206,907.42-10,424,248.48

Finding the Fourth Proportional to 18,270,372.82, 25,206,907.42 and 10,424,248.48

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Solution

The fourth proportional to 18,270,372.82, 25,206,907.42 and 10,424,248.48 is: 14,381,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270,372.82 : 25,206,907.42 = 10,424,248.48 : x
  2. Step 2: Convert to fraction form
    18,270,372.82/25,206,907.42 = 10,424,248.48/x
  3. Step 3: Cross multiply
    18,270,372.82x = 25,206,907.42 × 10,424,248.48
  4. Step 4: Simplify right side
    18,270,372.82x = 262,763,066,306,314.47
  5. Step 5: Solve for x
    x = 262,763,066,306,314.47/18,270,372.82
  6. Step 6: Final answer
    x = 14,381,921.43

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1.5x scale

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.