Home / 8,600,765.72-11,868,445.02-5,115,912.44

Finding the Fourth Proportional to 8,600,765.72, 11,868,445.02 and 5,115,912.44

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Solution

The fourth proportional to 8,600,765.72, 11,868,445.02 and 5,115,912.44 is: 7,059,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600,765.72 : 11,868,445.02 = 5,115,912.44 : x
  2. Step 2: Convert to fraction form
    8,600,765.72/11,868,445.02 = 5,115,912.44/x
  3. Step 3: Cross multiply
    8,600,765.72x = 11,868,445.02 × 5,115,912.44
  4. Step 4: Simplify right side
    8,600,765.72x = 60,717,925,521,274.05
  5. Step 5: Solve for x
    x = 60,717,925,521,274.05/8,600,765.72
  6. Step 6: Final answer
    x = 7,059,595.33

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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.