Home / 12,125,093.40-18,187,640.10-10,929,351.15

Finding the Fourth Proportional to 12,125,093.40, 18,187,640.10 and 10,929,351.15

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Solution

The fourth proportional to 12,125,093.40, 18,187,640.10 and 10,929,351.15 is: 16,394,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125,093.40 : 18,187,640.10 = 10,929,351.15 : x
  2. Step 2: Convert to fraction form
    12,125,093.40/18,187,640.10 = 10,929,351.15/x
  3. Step 3: Cross multiply
    12,125,093.40x = 18,187,640.10 × 10,929,351.15
  4. Step 4: Simplify right side
    12,125,093.40x = 198,779,105,242,721.12
  5. Step 5: Solve for x
    x = 198,779,105,242,721.12/12,125,093.40
  6. Step 6: Final answer
    x = 16,394,026.73

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1.5x scale

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.