Home / 7,986,919.02-11,980,378.50-1,921,650.83

Finding the Fourth Proportional to 7,986,919.02, 11,980,378.50 and 1,921,650.83

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Solution

The fourth proportional to 7,986,919.02, 11,980,378.50 and 1,921,650.83 is: 2,882,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,919.02 : 11,980,378.50 = 1,921,650.83 : x
  2. Step 2: Convert to fraction form
    7,986,919.02/11,980,378.50 = 1,921,650.83/x
  3. Step 3: Cross multiply
    7,986,919.02x = 11,980,378.50 × 1,921,650.83
  4. Step 4: Simplify right side
    7,986,919.02x = 23,022,104,288,239.16
  5. Step 5: Solve for x
    x = 23,022,104,288,239.16/7,986,919.02
  6. Step 6: Final answer
    x = 2,882,476.24

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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.