Home / 6,911,999.20-10,367,998.80-3,926,015.20

Finding the Fourth Proportional to 6,911,999.20, 10,367,998.80 and 3,926,015.20

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Solution

The fourth proportional to 6,911,999.20, 10,367,998.80 and 3,926,015.20 is: 5,889,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,999.20 : 10,367,998.80 = 3,926,015.20 : x
  2. Step 2: Convert to fraction form
    6,911,999.20/10,367,998.80 = 3,926,015.20/x
  3. Step 3: Cross multiply
    6,911,999.20x = 10,367,998.80 × 3,926,015.20
  4. Step 4: Simplify right side
    6,911,999.20x = 40,704,920,882,381.77
  5. Step 5: Solve for x
    x = 40,704,920,882,381.77/6,911,999.20
  6. Step 6: Final answer
    x = 5,889,022.80

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1.5x scale

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.