Home / 13,591,518.80-20,377,095.21-8,198,912.07

Finding the Fourth Proportional to 13,591,518.80, 20,377,095.21 and 8,198,912.07

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Solution

The fourth proportional to 13,591,518.80, 20,377,095.21 and 8,198,912.07 is: 12,292,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,518.80 : 20,377,095.21 = 8,198,912.07 : x
  2. Step 2: Convert to fraction form
    13,591,518.80/20,377,095.21 = 8,198,912.07/x
  3. Step 3: Cross multiply
    13,591,518.80x = 20,377,095.21 × 8,198,912.07
  4. Step 4: Simplify right side
    13,591,518.80x = 167,070,011,868,808.19
  5. Step 5: Solve for x
    x = 167,070,011,868,808.19/13,591,518.80
  6. Step 6: Final answer
    x = 12,292,225.35

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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.