Home / 21,110,982.26-29,136,641.25-14,490,131.60

Finding the Fourth Proportional to 21,110,982.26, 29,136,641.25 and 14,490,131.60

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Solution

The fourth proportional to 21,110,982.26, 29,136,641.25 and 14,490,131.60 is: 19,998,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,110,982.26 : 29,136,641.25 = 14,490,131.60 : x
  2. Step 2: Convert to fraction form
    21,110,982.26/29,136,641.25 = 14,490,131.60/x
  3. Step 3: Cross multiply
    21,110,982.26x = 29,136,641.25 × 14,490,131.60
  4. Step 4: Simplify right side
    21,110,982.26x = 422,193,765,948,805.31
  5. Step 5: Solve for x
    x = 422,193,765,948,805.31/21,110,982.26
  6. Step 6: Final answer
    x = 19,998,774.14

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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.