Home / 15,027,620.22-20,738,155.82-8,152,102.28

Finding the Fourth Proportional to 15,027,620.22, 20,738,155.82 and 8,152,102.28

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Solution

The fourth proportional to 15,027,620.22, 20,738,155.82 and 8,152,102.28 is: 11,249,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027,620.22 : 20,738,155.82 = 8,152,102.28 : x
  2. Step 2: Convert to fraction form
    15,027,620.22/20,738,155.82 = 8,152,102.28/x
  3. Step 3: Cross multiply
    15,027,620.22x = 20,738,155.82 × 8,152,102.28
  4. Step 4: Simplify right side
    15,027,620.22x = 169,059,567,354,302.16
  5. Step 5: Solve for x
    x = 169,059,567,354,302.16/15,027,620.22
  6. Step 6: Final answer
    x = 11,249,922.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.