Home / 7,899,919.71-11,849,879.58-2,220,144.03

Finding the Fourth Proportional to 7,899,919.71, 11,849,879.58 and 2,220,144.03

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Solution

The fourth proportional to 7,899,919.71, 11,849,879.58 and 2,220,144.03 is: 3,330,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,919.71 : 11,849,879.58 = 2,220,144.03 : x
  2. Step 2: Convert to fraction form
    7,899,919.71/11,849,879.58 = 2,220,144.03/x
  3. Step 3: Cross multiply
    7,899,919.71x = 11,849,879.58 × 2,220,144.03
  4. Step 4: Simplify right side
    7,899,919.71x = 26,308,439,364,102.58
  5. Step 5: Solve for x
    x = 26,308,439,364,102.58/7,899,919.71
  6. Step 6: Final answer
    x = 3,330,216.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.