Home / 21,330,682.86-29,436,341.88-11,541,127.05

Finding the Fourth Proportional to 21,330,682.86, 29,436,341.88 and 11,541,127.05

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Solution

The fourth proportional to 21,330,682.86, 29,436,341.88 and 11,541,127.05 is: 15,926,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330,682.86 : 29,436,341.88 = 11,541,127.05 : x
  2. Step 2: Convert to fraction form
    21,330,682.86/29,436,341.88 = 11,541,127.05/x
  3. Step 3: Cross multiply
    21,330,682.86x = 29,436,341.88 × 11,541,127.05
  4. Step 4: Simplify right side
    21,330,682.86x = 339,728,561,502,676.25
  5. Step 5: Solve for x
    x = 339,728,561,502,676.25/21,330,682.86
  6. Step 6: Final answer
    x = 15,926,755.07

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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.