Home / 13,608,523.60-20,412,785.40-10,207,301.20

Finding the Fourth Proportional to 13,608,523.60, 20,412,785.40 and 10,207,301.20

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Solution

The fourth proportional to 13,608,523.60, 20,412,785.40 and 10,207,301.20 is: 15,310,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,523.60 : 20,412,785.40 = 10,207,301.20 : x
  2. Step 2: Convert to fraction form
    13,608,523.60/20,412,785.40 = 10,207,301.20/x
  3. Step 3: Cross multiply
    13,608,523.60x = 20,412,785.40 × 10,207,301.20
  4. Step 4: Simplify right side
    13,608,523.60x = 208,359,448,908,762.44
  5. Step 5: Solve for x
    x = 208,359,448,908,762.44/13,608,523.60
  6. Step 6: Final answer
    x = 15,310,951.80

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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.