Home / 10,115,256.36-15,156,904.86-8,212,702.44

Finding the Fourth Proportional to 10,115,256.36, 15,156,904.86 and 8,212,702.44

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Solution

The fourth proportional to 10,115,256.36, 15,156,904.86 and 8,212,702.44 is: 12,306,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,256.36 : 15,156,904.86 = 8,212,702.44 : x
  2. Step 2: Convert to fraction form
    10,115,256.36/15,156,904.86 = 8,212,702.44/x
  3. Step 3: Cross multiply
    10,115,256.36x = 15,156,904.86 × 8,212,702.44
  4. Step 4: Simplify right side
    10,115,256.36x = 124,479,149,526,569.86
  5. Step 5: Solve for x
    x = 124,479,149,526,569.86/10,115,256.36
  6. Step 6: Final answer
    x = 12,306,079.56

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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.