Home / 18,431,159.38-25,434,822.36-10,171,297.78

Finding the Fourth Proportional to 18,431,159.38, 25,434,822.36 and 10,171,297.78

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Solution

The fourth proportional to 18,431,159.38, 25,434,822.36 and 10,171,297.78 is: 14,036,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,159.38 : 25,434,822.36 = 10,171,297.78 : x
  2. Step 2: Convert to fraction form
    18,431,159.38/25,434,822.36 = 10,171,297.78/x
  3. Step 3: Cross multiply
    18,431,159.38x = 25,434,822.36 × 10,171,297.78
  4. Step 4: Simplify right side
    18,431,159.38x = 258,705,152,204,962.34
  5. Step 5: Solve for x
    x = 258,705,152,204,962.34/18,431,159.38
  6. Step 6: Final answer
    x = 14,036,292.94

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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.