Home / 15,571,846.94-21,489,763.41-8,956,424.79

Finding the Fourth Proportional to 15,571,846.94, 21,489,763.41 and 8,956,424.79

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Solution

The fourth proportional to 15,571,846.94, 21,489,763.41 and 8,956,424.79 is: 12,360,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,846.94 : 21,489,763.41 = 8,956,424.79 : x
  2. Step 2: Convert to fraction form
    15,571,846.94/21,489,763.41 = 8,956,424.79/x
  3. Step 3: Cross multiply
    15,571,846.94x = 21,489,763.41 × 8,956,424.79
  4. Step 4: Simplify right side
    15,571,846.94x = 192,471,449,736,558.91
  5. Step 5: Solve for x
    x = 192,471,449,736,558.91/15,571,846.94
  6. Step 6: Final answer
    x = 12,360,219.73

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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.