Home / 20,214,788.34-27,898,331.40-11,048,808.90

Finding the Fourth Proportional to 20,214,788.34, 27,898,331.40 and 11,048,808.90

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Solution

The fourth proportional to 20,214,788.34, 27,898,331.40 and 11,048,808.90 is: 15,248,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214,788.34 : 27,898,331.40 = 11,048,808.90 : x
  2. Step 2: Convert to fraction form
    20,214,788.34/27,898,331.40 = 11,048,808.90/x
  3. Step 3: Cross multiply
    20,214,788.34x = 27,898,331.40 × 11,048,808.90
  4. Step 4: Simplify right side
    20,214,788.34x = 308,243,332,267,469.44
  5. Step 5: Solve for x
    x = 308,243,332,267,469.44/20,214,788.34
  6. Step 6: Final answer
    x = 15,248,407.61

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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.