Home / 8,119,743.54-11,205,245.79-4,448,799.38

Finding the Fourth Proportional to 8,119,743.54, 11,205,245.79 and 4,448,799.38

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Solution

The fourth proportional to 8,119,743.54, 11,205,245.79 and 4,448,799.38 is: 6,139,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,743.54 : 11,205,245.79 = 4,448,799.38 : x
  2. Step 2: Convert to fraction form
    8,119,743.54/11,205,245.79 = 4,448,799.38/x
  3. Step 3: Cross multiply
    8,119,743.54x = 11,205,245.79 × 4,448,799.38
  4. Step 4: Simplify right side
    8,119,743.54x = 49,849,890,467,273.38
  5. Step 5: Solve for x
    x = 49,849,890,467,273.38/8,119,743.54
  6. Step 6: Final answer
    x = 6,139,342.98

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1.5x scale

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.