Home / 8,696,869.92-13,043,149.34-2,939,475.73

Finding the Fourth Proportional to 8,696,869.92, 13,043,149.34 and 2,939,475.73

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Solution

The fourth proportional to 8,696,869.92, 13,043,149.34 and 2,939,475.73 is: 4,408,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,869.92 : 13,043,149.34 = 2,939,475.73 : x
  2. Step 2: Convert to fraction form
    8,696,869.92/13,043,149.34 = 2,939,475.73/x
  3. Step 3: Cross multiply
    8,696,869.92x = 13,043,149.34 × 2,939,475.73
  4. Step 4: Simplify right side
    8,696,869.92x = 38,340,020,929,649.47
  5. Step 5: Solve for x
    x = 38,340,020,929,649.47/8,696,869.92
  6. Step 6: Final answer
    x = 4,408,485.04

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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.