Home / 16,026,693.78-22,117,248.15-9,151,815.54

Finding the Fourth Proportional to 16,026,693.78, 22,117,248.15 and 9,151,815.54

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Solution

The fourth proportional to 16,026,693.78, 22,117,248.15 and 9,151,815.54 is: 12,629,739.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,026,693.78 : 22,117,248.15 = 9,151,815.54 : x
  2. Step 2: Convert to fraction form
    16,026,693.78/22,117,248.15 = 9,151,815.54/x
  3. Step 3: Cross multiply
    16,026,693.78x = 22,117,248.15 × 9,151,815.54
  4. Step 4: Simplify right side
    16,026,693.78x = 202,412,975,321,206.22
  5. Step 5: Solve for x
    x = 202,412,975,321,206.22/16,026,693.78
  6. Step 6: Final answer
    x = 12,629,739.99

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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.