Home / 13,676,305.60-20,514,458.40-7,993,604.80

Finding the Fourth Proportional to 13,676,305.60, 20,514,458.40 and 7,993,604.80

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Solution

The fourth proportional to 13,676,305.60, 20,514,458.40 and 7,993,604.80 is: 11,990,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676,305.60 : 20,514,458.40 = 7,993,604.80 : x
  2. Step 2: Convert to fraction form
    13,676,305.60/20,514,458.40 = 7,993,604.80/x
  3. Step 3: Cross multiply
    13,676,305.60x = 20,514,458.40 × 7,993,604.80
  4. Step 4: Simplify right side
    13,676,305.60x = 163,984,473,135,640.31
  5. Step 5: Solve for x
    x = 163,984,473,135,640.31/13,676,305.60
  6. Step 6: Final answer
    x = 11,990,407.20

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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.