Home / 16,391,917.35-22,620,879.32-9,049,764.69

Finding the Fourth Proportional to 16,391,917.35, 22,620,879.32 and 9,049,764.69

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Solution

The fourth proportional to 16,391,917.35, 22,620,879.32 and 9,049,764.69 is: 12,488,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391,917.35 : 22,620,879.32 = 9,049,764.69 : x
  2. Step 2: Convert to fraction form
    16,391,917.35/22,620,879.32 = 9,049,764.69/x
  3. Step 3: Cross multiply
    16,391,917.35x = 22,620,879.32 × 9,049,764.69
  4. Step 4: Simplify right side
    16,391,917.35x = 204,713,634,881,638.38
  5. Step 5: Solve for x
    x = 204,713,634,881,638.38/16,391,917.35
  6. Step 6: Final answer
    x = 12,488,693.70

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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.