Home / 13,486,475.40-20,179,946.70-12,292,081.80

Finding the Fourth Proportional to 13,486,475.40, 20,179,946.70 and 12,292,081.80

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Solution

The fourth proportional to 13,486,475.40, 20,179,946.70 and 12,292,081.80 is: 18,392,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,475.40 : 20,179,946.70 = 12,292,081.80 : x
  2. Step 2: Convert to fraction form
    13,486,475.40/20,179,946.70 = 12,292,081.80/x
  3. Step 3: Cross multiply
    13,486,475.40x = 20,179,946.70 × 12,292,081.80
  4. Step 4: Simplify right side
    13,486,475.40x = 248,053,555,556,040.06
  5. Step 5: Solve for x
    x = 248,053,555,556,040.06/13,486,475.40
  6. Step 6: Final answer
    x = 18,392,763.73

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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.