Home / 8,809,672.20-13,211,397.90-3,130,081.80

Finding the Fourth Proportional to 8,809,672.20, 13,211,397.90 and 3,130,081.80

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Solution

The fourth proportional to 8,809,672.20, 13,211,397.90 and 3,130,081.80 is: 4,694,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,672.20 : 13,211,397.90 = 3,130,081.80 : x
  2. Step 2: Convert to fraction form
    8,809,672.20/13,211,397.90 = 3,130,081.80/x
  3. Step 3: Cross multiply
    8,809,672.20x = 13,211,397.90 × 3,130,081.80
  4. Step 4: Simplify right side
    8,809,672.20x = 41,352,756,119,348.22
  5. Step 5: Solve for x
    x = 41,352,756,119,348.22/8,809,672.20
  6. Step 6: Final answer
    x = 4,694,017.57

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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.