Home / 21,610,996.76-29,823,175.55-11,687,879.41

Finding the Fourth Proportional to 21,610,996.76, 29,823,175.55 and 11,687,879.41

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Solution

The fourth proportional to 21,610,996.76, 29,823,175.55 and 11,687,879.41 is: 16,129,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610,996.76 : 29,823,175.55 = 11,687,879.41 : x
  2. Step 2: Convert to fraction form
    21,610,996.76/29,823,175.55 = 11,687,879.41/x
  3. Step 3: Cross multiply
    21,610,996.76x = 29,823,175.55 × 11,687,879.41
  4. Step 4: Simplify right side
    21,610,996.76x = 348,569,679,406,322.19
  5. Step 5: Solve for x
    x = 348,569,679,406,322.19/21,610,996.76
  6. Step 6: Final answer
    x = 16,129,273.59

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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.