Home / 15,036,508.38-20,750,580.63-8,161,072.86

Finding the Fourth Proportional to 15,036,508.38, 20,750,580.63 and 8,161,072.86

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Solution

The fourth proportional to 15,036,508.38, 20,750,580.63 and 8,161,072.86 is: 11,262,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,508.38 : 20,750,580.63 = 8,161,072.86 : x
  2. Step 2: Convert to fraction form
    15,036,508.38/20,750,580.63 = 8,161,072.86/x
  3. Step 3: Cross multiply
    15,036,508.38x = 20,750,580.63 × 8,161,072.86
  4. Step 4: Simplify right side
    15,036,508.38x = 169,347,000,408,734.69
  5. Step 5: Solve for x
    x = 169,347,000,408,734.69/15,036,508.38
  6. Step 6: Final answer
    x = 11,262,388.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.