Home / 18,288,167.20-27,419,809.20-8,708,135.20

Finding the Fourth Proportional to 18,288,167.20, 27,419,809.20 and 8,708,135.20

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Solution

The fourth proportional to 18,288,167.20, 27,419,809.20 and 8,708,135.20 is: 13,056,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,167.20 : 27,419,809.20 = 8,708,135.20 : x
  2. Step 2: Convert to fraction form
    18,288,167.20/27,419,809.20 = 8,708,135.20/x
  3. Step 3: Cross multiply
    18,288,167.20x = 27,419,809.20 × 8,708,135.20
  4. Step 4: Simplify right side
    18,288,167.20x = 238,775,405,671,803.81
  5. Step 5: Solve for x
    x = 238,775,405,671,803.81/18,288,167.20
  6. Step 6: Final answer
    x = 13,056,278.58

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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.