Home / 7,339,216.80-11,008,825.20-5,426,029.20

Finding the Fourth Proportional to 7,339,216.80, 11,008,825.20 and 5,426,029.20

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Solution

The fourth proportional to 7,339,216.80, 11,008,825.20 and 5,426,029.20 is: 8,139,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,216.80 : 11,008,825.20 = 5,426,029.20 : x
  2. Step 2: Convert to fraction form
    7,339,216.80/11,008,825.20 = 5,426,029.20/x
  3. Step 3: Cross multiply
    7,339,216.80x = 11,008,825.20 × 5,426,029.20
  4. Step 4: Simplify right side
    7,339,216.80x = 59,734,206,992,895.84
  5. Step 5: Solve for x
    x = 59,734,206,992,895.84/7,339,216.80
  6. Step 6: Final answer
    x = 8,139,043.80

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Similar ratio
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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.