Home / 13,032,540.40-19,561,252.20-6,649,999.60

Finding the Fourth Proportional to 13,032,540.40, 19,561,252.20 and 6,649,999.60

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Solution

The fourth proportional to 13,032,540.40, 19,561,252.20 and 6,649,999.60 is: 9,981,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032,540.40 : 19,561,252.20 = 6,649,999.60 : x
  2. Step 2: Convert to fraction form
    13,032,540.40/19,561,252.20 = 6,649,999.60/x
  3. Step 3: Cross multiply
    13,032,540.40x = 19,561,252.20 × 6,649,999.60
  4. Step 4: Simplify right side
    13,032,540.40x = 130,082,319,305,499.11
  5. Step 5: Solve for x
    x = 130,082,319,305,499.11/13,032,540.40
  6. Step 6: Final answer
    x = 9,981,347.87

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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.