Home / 28,040,675.20-42,064,949.40-8,869,433.20

Finding the Fourth Proportional to 28,040,675.20, 42,064,949.40 and 8,869,433.20

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Solution

The fourth proportional to 28,040,675.20, 42,064,949.40 and 8,869,433.20 is: 13,305,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,675.20 : 42,064,949.40 = 8,869,433.20 : x
  2. Step 2: Convert to fraction form
    28,040,675.20/42,064,949.40 = 8,869,433.20/x
  3. Step 3: Cross multiply
    28,040,675.20x = 42,064,949.40 × 8,869,433.20
  4. Step 4: Simplify right side
    28,040,675.20x = 373,092,258,764,680.06
  5. Step 5: Solve for x
    x = 373,092,258,764,680.06/28,040,675.20
  6. Step 6: Final answer
    x = 13,305,394.97

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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.