Home / 16,450,145.79-22,701,910.46-9,107,978.70

Finding the Fourth Proportional to 16,450,145.79, 22,701,910.46 and 9,107,978.70

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Solution

The fourth proportional to 16,450,145.79, 22,701,910.46 and 9,107,978.70 is: 12,569,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450,145.79 : 22,701,910.46 = 9,107,978.70 : x
  2. Step 2: Convert to fraction form
    16,450,145.79/22,701,910.46 = 9,107,978.70/x
  3. Step 3: Cross multiply
    16,450,145.79x = 22,701,910.46 × 9,107,978.70
  4. Step 4: Simplify right side
    16,450,145.79x = 206,768,516,873,447.28
  5. Step 5: Solve for x
    x = 206,768,516,873,447.28/16,450,145.79
  6. Step 6: Final answer
    x = 12,569,403.31

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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.