Home / 8,991,046.80-13,486,570.20-5,211,910.80

Finding the Fourth Proportional to 8,991,046.80, 13,486,570.20 and 5,211,910.80

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Solution

The fourth proportional to 8,991,046.80, 13,486,570.20 and 5,211,910.80 is: 7,817,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,046.80 : 13,486,570.20 = 5,211,910.80 : x
  2. Step 2: Convert to fraction form
    8,991,046.80/13,486,570.20 = 5,211,910.80/x
  3. Step 3: Cross multiply
    8,991,046.80x = 13,486,570.20 × 5,211,910.80
  4. Step 4: Simplify right side
    8,991,046.80x = 70,290,800,880,338.16
  5. Step 5: Solve for x
    x = 70,290,800,880,338.16/8,991,046.80
  6. Step 6: Final answer
    x = 7,817,866.20

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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.