Home / 8,499,447.80-11,728,895.78-4,631,885.92

Finding the Fourth Proportional to 8,499,447.80, 11,728,895.78 and 4,631,885.92

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Solution

The fourth proportional to 8,499,447.80, 11,728,895.78 and 4,631,885.92 is: 6,391,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,447.80 : 11,728,895.78 = 4,631,885.92 : x
  2. Step 2: Convert to fraction form
    8,499,447.80/11,728,895.78 = 4,631,885.92/x
  3. Step 3: Cross multiply
    8,499,447.80x = 11,728,895.78 × 4,631,885.92
  4. Step 4: Simplify right side
    8,499,447.80x = 54,326,907,220,529.41
  5. Step 5: Solve for x
    x = 54,326,907,220,529.41/8,499,447.80
  6. Step 6: Final answer
    x = 6,391,816.09

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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.