Home / 7,285,507.20-10,928,260.80-2,236,161.60

Finding the Fourth Proportional to 7,285,507.20, 10,928,260.80 and 2,236,161.60

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Solution

The fourth proportional to 7,285,507.20, 10,928,260.80 and 2,236,161.60 is: 3,354,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285,507.20 : 10,928,260.80 = 2,236,161.60 : x
  2. Step 2: Convert to fraction form
    7,285,507.20/10,928,260.80 = 2,236,161.60/x
  3. Step 3: Cross multiply
    7,285,507.20x = 10,928,260.80 × 2,236,161.60
  4. Step 4: Simplify right side
    7,285,507.20x = 24,437,357,155,745.28
  5. Step 5: Solve for x
    x = 24,437,357,155,745.28/7,285,507.20
  6. Step 6: Final answer
    x = 3,354,242.40

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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.