Home / 5,514,476.80-8,271,715.20-3,991,012.60

Finding the Fourth Proportional to 5,514,476.80, 8,271,715.20 and 3,991,012.60

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Solution

The fourth proportional to 5,514,476.80, 8,271,715.20 and 3,991,012.60 is: 5,986,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,476.80 : 8,271,715.20 = 3,991,012.60 : x
  2. Step 2: Convert to fraction form
    5,514,476.80/8,271,715.20 = 3,991,012.60/x
  3. Step 3: Cross multiply
    5,514,476.80x = 8,271,715.20 × 3,991,012.60
  4. Step 4: Simplify right side
    5,514,476.80x = 33,012,519,586,811.52
  5. Step 5: Solve for x
    x = 33,012,519,586,811.52/5,514,476.80
  6. Step 6: Final answer
    x = 5,986,518.90

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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.