Home / 13,120,628.40-19,680,942.60-8,055,514.80

Finding the Fourth Proportional to 13,120,628.40, 19,680,942.60 and 8,055,514.80

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Solution

The fourth proportional to 13,120,628.40, 19,680,942.60 and 8,055,514.80 is: 12,083,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120,628.40 : 19,680,942.60 = 8,055,514.80 : x
  2. Step 2: Convert to fraction form
    13,120,628.40/19,680,942.60 = 8,055,514.80/x
  3. Step 3: Cross multiply
    13,120,628.40x = 19,680,942.60 × 8,055,514.80
  4. Step 4: Simplify right side
    13,120,628.40x = 158,540,124,392,250.50
  5. Step 5: Solve for x
    x = 158,540,124,392,250.50/13,120,628.40
  6. Step 6: Final answer
    x = 12,083,272.20

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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.