Home / 8,521,090-12,781,897.44-3,726,311.20

Finding the Fourth Proportional to 8,521,090, 12,781,897.44 and 3,726,311.20

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Solution

The fourth proportional to 8,521,090, 12,781,897.44 and 3,726,311.20 is: 5,589,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,090 : 12,781,897.44 = 3,726,311.20 : x
  2. Step 2: Convert to fraction form
    8,521,090/12,781,897.44 = 3,726,311.20/x
  3. Step 3: Cross multiply
    8,521,090x = 12,781,897.44 × 3,726,311.20
  4. Step 4: Simplify right side
    8,521,090x = 47,629,327,587,923.33
  5. Step 5: Solve for x
    x = 47,629,327,587,923.33/8,521,090
  6. Step 6: Final answer
    x = 5,589,581.57

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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.