Home / 18,103,625.20-27,120,008.40-10,893,742.30

Finding the Fourth Proportional to 18,103,625.20, 27,120,008.40 and 10,893,742.30

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Solution

The fourth proportional to 18,103,625.20, 27,120,008.40 and 10,893,742.30 is: 16,319,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,625.20 : 27,120,008.40 = 10,893,742.30 : x
  2. Step 2: Convert to fraction form
    18,103,625.20/27,120,008.40 = 10,893,742.30/x
  3. Step 3: Cross multiply
    18,103,625.20x = 27,120,008.40 × 10,893,742.30
  4. Step 4: Simplify right side
    18,103,625.20x = 295,438,382,683,435.31
  5. Step 5: Solve for x
    x = 295,438,382,683,435.31/18,103,625.20
  6. Step 6: Final answer
    x = 16,319,294.03

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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.