Home / 12,248,580.30-18,372,870.45-5,871,288.30

Finding the Fourth Proportional to 12,248,580.30, 18,372,870.45 and 5,871,288.30

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Solution

The fourth proportional to 12,248,580.30, 18,372,870.45 and 5,871,288.30 is: 8,806,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,580.30 : 18,372,870.45 = 5,871,288.30 : x
  2. Step 2: Convert to fraction form
    12,248,580.30/18,372,870.45 = 5,871,288.30/x
  3. Step 3: Cross multiply
    12,248,580.30x = 18,372,870.45 × 5,871,288.30
  4. Step 4: Simplify right side
    12,248,580.30x = 107,872,419,310,500.73
  5. Step 5: Solve for x
    x = 107,872,419,310,500.73/12,248,580.30
  6. Step 6: Final answer
    x = 8,806,932.45

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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.