Home / 18,430,708.20-27,610,811.10-9,908,212.20

Finding the Fourth Proportional to 18,430,708.20, 27,610,811.10 and 9,908,212.20

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Solution

The fourth proportional to 18,430,708.20, 27,610,811.10 and 9,908,212.20 is: 14,843,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,708.20 : 27,610,811.10 = 9,908,212.20 : x
  2. Step 2: Convert to fraction form
    18,430,708.20/27,610,811.10 = 9,908,212.20/x
  3. Step 3: Cross multiply
    18,430,708.20x = 27,610,811.10 × 9,908,212.20
  4. Step 4: Simplify right side
    18,430,708.20x = 273,573,775,392,915.41
  5. Step 5: Solve for x
    x = 273,573,775,392,915.41/18,430,708.20
  6. Step 6: Final answer
    x = 14,843,367.52

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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.