Home / 21,516,347.82-29,691,693.87-11,726,581.31

Finding the Fourth Proportional to 21,516,347.82, 29,691,693.87 and 11,726,581.31

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Solution

The fourth proportional to 21,516,347.82, 29,691,693.87 and 11,726,581.31 is: 16,182,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516,347.82 : 29,691,693.87 = 11,726,581.31 : x
  2. Step 2: Convert to fraction form
    21,516,347.82/29,691,693.87 = 11,726,581.31/x
  3. Step 3: Cross multiply
    21,516,347.82x = 29,691,693.87 × 11,726,581.31
  4. Step 4: Simplify right side
    21,516,347.82x = 348,182,062,383,056.25
  5. Step 5: Solve for x
    x = 348,182,062,383,056.25/21,516,347.82
  6. Step 6: Final answer
    x = 16,182,210.16

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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.