Home / 8,334,136.80-12,481,544.40-5,149,087.20

Finding the Fourth Proportional to 8,334,136.80, 12,481,544.40 and 5,149,087.20

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Solution

The fourth proportional to 8,334,136.80, 12,481,544.40 and 5,149,087.20 is: 7,711,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334,136.80 : 12,481,544.40 = 5,149,087.20 : x
  2. Step 2: Convert to fraction form
    8,334,136.80/12,481,544.40 = 5,149,087.20/x
  3. Step 3: Cross multiply
    8,334,136.80x = 12,481,544.40 × 5,149,087.20
  4. Step 4: Simplify right side
    8,334,136.80x = 64,268,560,506,271.69
  5. Step 5: Solve for x
    x = 64,268,560,506,271.69/8,334,136.80
  6. Step 6: Final answer
    x = 7,711,483.75

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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.