Home / 7,085,136.80-10,611,958.80-5,482,503.20

Finding the Fourth Proportional to 7,085,136.80, 10,611,958.80 and 5,482,503.20

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Solution

The fourth proportional to 7,085,136.80, 10,611,958.80 and 5,482,503.20 is: 8,211,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,136.80 : 10,611,958.80 = 5,482,503.20 : x
  2. Step 2: Convert to fraction form
    7,085,136.80/10,611,958.80 = 5,482,503.20/x
  3. Step 3: Cross multiply
    7,085,136.80x = 10,611,958.80 × 5,482,503.20
  4. Step 4: Simplify right side
    7,085,136.80x = 58,180,098,079,268.16
  5. Step 5: Solve for x
    x = 58,180,098,079,268.16/7,085,136.80
  6. Step 6: Final answer
    x = 8,211,570.18

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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.