Home / 20,471,420.06-30,696,862.12-6,819,766.93

Finding the Fourth Proportional to 20,471,420.06, 30,696,862.12 and 6,819,766.93

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Solution

The fourth proportional to 20,471,420.06, 30,696,862.12 and 6,819,766.93 is: 10,226,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,471,420.06 : 30,696,862.12 = 6,819,766.93 : x
  2. Step 2: Convert to fraction form
    20,471,420.06/30,696,862.12 = 6,819,766.93/x
  3. Step 3: Cross multiply
    20,471,420.06x = 30,696,862.12 × 6,819,766.93
  4. Step 4: Simplify right side
    20,471,420.06x = 209,345,445,140,745.69
  5. Step 5: Solve for x
    x = 209,345,445,140,745.69/20,471,420.06
  6. Step 6: Final answer
    x = 10,226,229.76

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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.