Home / 16,851,976.74-23,255,667.81-9,117,021.06

Finding the Fourth Proportional to 16,851,976.74, 23,255,667.81 and 9,117,021.06

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Solution

The fourth proportional to 16,851,976.74, 23,255,667.81 and 9,117,021.06 is: 12,581,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851,976.74 : 23,255,667.81 = 9,117,021.06 : x
  2. Step 2: Convert to fraction form
    16,851,976.74/23,255,667.81 = 9,117,021.06/x
  3. Step 3: Cross multiply
    16,851,976.74x = 23,255,667.81 × 9,117,021.06
  4. Step 4: Simplify right side
    16,851,976.74x = 212,022,413,188,134.09
  5. Step 5: Solve for x
    x = 212,022,413,188,134.09/16,851,976.74
  6. Step 6: Final answer
    x = 12,581,456.55

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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.