Home / 28,259,580.20-42,408,032.70-16,129,020.20

Finding the Fourth Proportional to 28,259,580.20, 42,408,032.70 and 16,129,020.20

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Solution

The fourth proportional to 28,259,580.20, 42,408,032.70 and 16,129,020.20 is: 24,204,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259,580.20 : 42,408,032.70 = 16,129,020.20 : x
  2. Step 2: Convert to fraction form
    28,259,580.20/42,408,032.70 = 16,129,020.20/x
  3. Step 3: Cross multiply
    28,259,580.20x = 42,408,032.70 × 16,129,020.20
  4. Step 4: Simplify right side
    28,259,580.20x = 684,000,016,060,560.50
  5. Step 5: Solve for x
    x = 684,000,016,060,560.50/28,259,580.20
  6. Step 6: Final answer
    x = 24,204,181.78

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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.