Home / 18,261,807.82-27,386,250.36-5,305,262.87

Finding the Fourth Proportional to 18,261,807.82, 27,386,250.36 and 5,305,262.87

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Solution

The fourth proportional to 18,261,807.82, 27,386,250.36 and 5,305,262.87 is: 7,956,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261,807.82 : 27,386,250.36 = 5,305,262.87 : x
  2. Step 2: Convert to fraction form
    18,261,807.82/27,386,250.36 = 5,305,262.87/x
  3. Step 3: Cross multiply
    18,261,807.82x = 27,386,250.36 × 5,305,262.87
  4. Step 4: Simplify right side
    18,261,807.82x = 145,291,257,232,003
  5. Step 5: Solve for x
    x = 145,291,257,232,003/18,261,807.82
  6. Step 6: Final answer
    x = 7,956,017.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.