Home / 14,081,610.80-21,094,422.60-7,680,407.60

Finding the Fourth Proportional to 14,081,610.80, 21,094,422.60 and 7,680,407.60

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Solution

The fourth proportional to 14,081,610.80, 21,094,422.60 and 7,680,407.60 is: 11,505,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081,610.80 : 21,094,422.60 = 7,680,407.60 : x
  2. Step 2: Convert to fraction form
    14,081,610.80/21,094,422.60 = 7,680,407.60/x
  3. Step 3: Cross multiply
    14,081,610.80x = 21,094,422.60 × 7,680,407.60
  4. Step 4: Simplify right side
    14,081,610.80x = 162,013,763,654,651.75
  5. Step 5: Solve for x
    x = 162,013,763,654,651.75/14,081,610.80
  6. Step 6: Final answer
    x = 11,505,343.10

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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.