Home / 28,392,613.80-42,588,920.70-17,027,212.20

Finding the Fourth Proportional to 28,392,613.80, 42,588,920.70 and 17,027,212.20

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Solution

The fourth proportional to 28,392,613.80, 42,588,920.70 and 17,027,212.20 is: 25,540,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,613.80 : 42,588,920.70 = 17,027,212.20 : x
  2. Step 2: Convert to fraction form
    28,392,613.80/42,588,920.70 = 17,027,212.20/x
  3. Step 3: Cross multiply
    28,392,613.80x = 42,588,920.70 × 17,027,212.20
  4. Step 4: Simplify right side
    28,392,613.80x = 725,170,590,127,872.50
  5. Step 5: Solve for x
    x = 725,170,590,127,872.50/28,392,613.80
  6. Step 6: Final answer
    x = 25,540,818.30

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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.