Home / 18,187,773.40-27,281,660.10-7,399,521.10

Finding the Fourth Proportional to 18,187,773.40, 27,281,660.10 and 7,399,521.10

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Solution

The fourth proportional to 18,187,773.40, 27,281,660.10 and 7,399,521.10 is: 11,099,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,773.40 : 27,281,660.10 = 7,399,521.10 : x
  2. Step 2: Convert to fraction form
    18,187,773.40/27,281,660.10 = 7,399,521.10/x
  3. Step 3: Cross multiply
    18,187,773.40x = 27,281,660.10 × 7,399,521.10
  4. Step 4: Simplify right side
    18,187,773.40x = 201,871,219,552,978.12
  5. Step 5: Solve for x
    x = 201,871,219,552,978.12/18,187,773.40
  6. Step 6: Final answer
    x = 11,099,281.65

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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.