Home / 12,281,610.30-18,422,415.45-10,899,863.70

Finding the Fourth Proportional to 12,281,610.30, 18,422,415.45 and 10,899,863.70

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Solution

The fourth proportional to 12,281,610.30, 18,422,415.45 and 10,899,863.70 is: 16,349,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281,610.30 : 18,422,415.45 = 10,899,863.70 : x
  2. Step 2: Convert to fraction form
    12,281,610.30/18,422,415.45 = 10,899,863.70/x
  3. Step 3: Cross multiply
    12,281,610.30x = 18,422,415.45 × 10,899,863.70
  4. Step 4: Simplify right side
    12,281,610.30x = 200,801,817,429,774.16
  5. Step 5: Solve for x
    x = 200,801,817,429,774.16/12,281,610.30
  6. Step 6: Final answer
    x = 16,349,795.55

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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.