Home / 21,404,619.90-29,538,225.65-11,614,815.11

Finding the Fourth Proportional to 21,404,619.90, 29,538,225.65 and 11,614,815.11

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Solution

The fourth proportional to 21,404,619.90, 29,538,225.65 and 11,614,815.11 is: 16,028,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404,619.90 : 29,538,225.65 = 11,614,815.11 : x
  2. Step 2: Convert to fraction form
    21,404,619.90/29,538,225.65 = 11,614,815.11/x
  3. Step 3: Cross multiply
    21,404,619.90x = 29,538,225.65 × 11,614,815.11
  4. Step 4: Simplify right side
    21,404,619.90x = 343,081,029,705,092.19
  5. Step 5: Solve for x
    x = 343,081,029,705,092.19/21,404,619.90
  6. Step 6: Final answer
    x = 16,028,363.56

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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.