Home / 6,221,511.20-9,332,266.80-5,158,629.20

Finding the Fourth Proportional to 6,221,511.20, 9,332,266.80 and 5,158,629.20

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Solution

The fourth proportional to 6,221,511.20, 9,332,266.80 and 5,158,629.20 is: 7,737,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221,511.20 : 9,332,266.80 = 5,158,629.20 : x
  2. Step 2: Convert to fraction form
    6,221,511.20/9,332,266.80 = 5,158,629.20/x
  3. Step 3: Cross multiply
    6,221,511.20x = 9,332,266.80 × 5,158,629.20
  4. Step 4: Simplify right side
    6,221,511.20x = 48,141,704,016,670.56
  5. Step 5: Solve for x
    x = 48,141,704,016,670.56/6,221,511.20
  6. Step 6: Final answer
    x = 7,737,943.80

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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.