Home / 10,508,074.32-15,762,111.60-8,115,408.96

Finding the Fourth Proportional to 10,508,074.32, 15,762,111.60 and 8,115,408.96

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Solution

The fourth proportional to 10,508,074.32, 15,762,111.60 and 8,115,408.96 is: 12,173,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508,074.32 : 15,762,111.60 = 8,115,408.96 : x
  2. Step 2: Convert to fraction form
    10,508,074.32/15,762,111.60 = 8,115,408.96/x
  3. Step 3: Cross multiply
    10,508,074.32x = 15,762,111.60 × 8,115,408.96
  4. Step 4: Simplify right side
    10,508,074.32x = 127,915,981,707,159.94
  5. Step 5: Solve for x
    x = 127,915,981,707,159.94/10,508,074.32
  6. Step 6: Final answer
    x = 12,173,113.53

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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.