Home / 20,551,832.72-30,824,023.78-8,255,300.48

Finding the Fourth Proportional to 20,551,832.72, 30,824,023.78 and 8,255,300.48

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Solution

The fourth proportional to 20,551,832.72, 30,824,023.78 and 8,255,300.48 is: 12,381,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551,832.72 : 30,824,023.78 = 8,255,300.48 : x
  2. Step 2: Convert to fraction form
    20,551,832.72/30,824,023.78 = 8,255,300.48/x
  3. Step 3: Cross multiply
    20,551,832.72x = 30,824,023.78 × 8,255,300.48
  4. Step 4: Simplify right side
    20,551,832.72x = 254,461,578,306,565.44
  5. Step 5: Solve for x
    x = 254,461,578,306,565.44/20,551,832.72
  6. Step 6: Final answer
    x = 12,381,454.33

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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.