Home / 11,781,806.40-17,669,210.40-4,589,200.80

Finding the Fourth Proportional to 11,781,806.40, 17,669,210.40 and 4,589,200.80

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Solution

The fourth proportional to 11,781,806.40, 17,669,210.40 and 4,589,200.80 is: 6,882,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781,806.40 : 17,669,210.40 = 4,589,200.80 : x
  2. Step 2: Convert to fraction form
    11,781,806.40/17,669,210.40 = 4,589,200.80/x
  3. Step 3: Cross multiply
    11,781,806.40x = 17,669,210.40 × 4,589,200.80
  4. Step 4: Simplify right side
    11,781,806.40x = 81,087,554,503,048.31
  5. Step 5: Solve for x
    x = 81,087,554,503,048.31/11,781,806.40
  6. Step 6: Final answer
    x = 6,882,438.21

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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.