Home / 21,099,553.50-31,649,987.56-7,266,370.26

Finding the Fourth Proportional to 21,099,553.50, 31,649,987.56 and 7,266,370.26

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Solution

The fourth proportional to 21,099,553.50, 31,649,987.56 and 7,266,370.26 is: 10,899,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,099,553.50 : 31,649,987.56 = 7,266,370.26 : x
  2. Step 2: Convert to fraction form
    21,099,553.50/31,649,987.56 = 7,266,370.26/x
  3. Step 3: Cross multiply
    21,099,553.50x = 31,649,987.56 × 7,266,370.26
  4. Step 4: Simplify right side
    21,099,553.50x = 229,980,528,335,353.94
  5. Step 5: Solve for x
    x = 229,980,528,335,353.94/21,099,553.50
  6. Step 6: Final answer
    x = 10,899,781.76

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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.