Home / 23,213,920.82-31,979,842.77-16,231,533.15

Finding the Fourth Proportional to 23,213,920.82, 31,979,842.77 and 16,231,533.15

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Solution

The fourth proportional to 23,213,920.82, 31,979,842.77 and 16,231,533.15 is: 22,360,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,213,920.82 : 31,979,842.77 = 16,231,533.15 : x
  2. Step 2: Convert to fraction form
    23,213,920.82/31,979,842.77 = 16,231,533.15/x
  3. Step 3: Cross multiply
    23,213,920.82x = 31,979,842.77 × 16,231,533.15
  4. Step 4: Simplify right side
    23,213,920.82x = 519,081,878,053,948.88
  5. Step 5: Solve for x
    x = 519,081,878,053,948.88/23,213,920.82
  6. Step 6: Final answer
    x = 22,360,801.62

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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.