Home / 5,509,112.80-8,263,669.20-4,233,654.40

Finding the Fourth Proportional to 5,509,112.80, 8,263,669.20 and 4,233,654.40

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Solution

The fourth proportional to 5,509,112.80, 8,263,669.20 and 4,233,654.40 is: 6,350,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,112.80 : 8,263,669.20 = 4,233,654.40 : x
  2. Step 2: Convert to fraction form
    5,509,112.80/8,263,669.20 = 4,233,654.40/x
  3. Step 3: Cross multiply
    5,509,112.80x = 8,263,669.20 × 4,233,654.40
  4. Step 4: Simplify right side
    5,509,112.80x = 34,985,519,468,724.48
  5. Step 5: Solve for x
    x = 34,985,519,468,724.48/5,509,112.80
  6. Step 6: Final answer
    x = 6,350,481.60

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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.