Home / 5,514,306.80-8,271,460.20-3,990,842.60

Finding the Fourth Proportional to 5,514,306.80, 8,271,460.20 and 3,990,842.60

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Solution

The fourth proportional to 5,514,306.80, 8,271,460.20 and 3,990,842.60 is: 5,986,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,306.80 : 8,271,460.20 = 3,990,842.60 : x
  2. Step 2: Convert to fraction form
    5,514,306.80/8,271,460.20 = 3,990,842.60/x
  3. Step 3: Cross multiply
    5,514,306.80x = 8,271,460.20 × 3,990,842.60
  4. Step 4: Simplify right side
    5,514,306.80x = 33,010,095,730,364.52
  5. Step 5: Solve for x
    x = 33,010,095,730,364.52/5,514,306.80
  6. Step 6: Final answer
    x = 5,986,263.90

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Similar ratio
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1.5x scale

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.