Home / 20,814,751.12-31,252,819.44-11,610,707.28

Finding the Fourth Proportional to 20,814,751.12, 31,252,819.44 and 11,610,707.28

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Solution

The fourth proportional to 20,814,751.12, 31,252,819.44 and 11,610,707.28 is: 17,433,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,814,751.12 : 31,252,819.44 = 11,610,707.28 : x
  2. Step 2: Convert to fraction form
    20,814,751.12/31,252,819.44 = 11,610,707.28/x
  3. Step 3: Cross multiply
    20,814,751.12x = 31,252,819.44 × 11,610,707.28
  4. Step 4: Simplify right side
    20,814,751.12x = 362,867,338,192,533.50
  5. Step 5: Solve for x
    x = 362,867,338,192,533.50/20,814,751.12
  6. Step 6: Final answer
    x = 17,433,181.69

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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.