Home / 16,405,408.71-22,641,387.71-9,882,331.29

Finding the Fourth Proportional to 16,405,408.71, 22,641,387.71 and 9,882,331.29

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Solution

The fourth proportional to 16,405,408.71, 22,641,387.71 and 9,882,331.29 is: 13,638,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405,408.71 : 22,641,387.71 = 9,882,331.29 : x
  2. Step 2: Convert to fraction form
    16,405,408.71/22,641,387.71 = 9,882,331.29/x
  3. Step 3: Cross multiply
    16,405,408.71x = 22,641,387.71 × 9,882,331.29
  4. Step 4: Simplify right side
    16,405,408.71x = 223,749,694,166,142.75
  5. Step 5: Solve for x
    x = 223,749,694,166,142.75/16,405,408.71
  6. Step 6: Final answer
    x = 13,638,775.97

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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.