Home / 16,391,929.86-22,620,896.94-9,049,777.20

Finding the Fourth Proportional to 16,391,929.86, 22,620,896.94 and 9,049,777.20

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Solution

The fourth proportional to 16,391,929.86, 22,620,896.94 and 9,049,777.20 is: 12,488,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391,929.86 : 22,620,896.94 = 9,049,777.20 : x
  2. Step 2: Convert to fraction form
    16,391,929.86/22,620,896.94 = 9,049,777.20/x
  3. Step 3: Cross multiply
    16,391,929.86x = 22,620,896.94 × 9,049,777.20
  4. Step 4: Simplify right side
    16,391,929.86x = 204,714,077,371,161.75
  5. Step 5: Solve for x
    x = 204,714,077,371,161.75/16,391,929.86
  6. Step 6: Final answer
    x = 12,488,711.16

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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.