Home / 5,514,378.30-8,271,567.45-3,990,914.10

Finding the Fourth Proportional to 5,514,378.30, 8,271,567.45 and 3,990,914.10

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Solution

The fourth proportional to 5,514,378.30, 8,271,567.45 and 3,990,914.10 is: 5,986,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,378.30 : 8,271,567.45 = 3,990,914.10 : x
  2. Step 2: Convert to fraction form
    5,514,378.30/8,271,567.45 = 3,990,914.10/x
  3. Step 3: Cross multiply
    5,514,378.30x = 8,271,567.45 × 3,990,914.10
  4. Step 4: Simplify right side
    5,514,378.30x = 33,011,115,165,306.05
  5. Step 5: Solve for x
    x = 33,011,115,165,306.05/5,514,378.30
  6. Step 6: Final answer
    x = 5,986,371.15

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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.