Home / 11,487,022.20-17,230,533.30-8,321,995.80

Finding the Fourth Proportional to 11,487,022.20, 17,230,533.30 and 8,321,995.80

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Solution

The fourth proportional to 11,487,022.20, 17,230,533.30 and 8,321,995.80 is: 12,482,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487,022.20 : 17,230,533.30 = 8,321,995.80 : x
  2. Step 2: Convert to fraction form
    11,487,022.20/17,230,533.30 = 8,321,995.80/x
  3. Step 3: Cross multiply
    11,487,022.20x = 17,230,533.30 × 8,321,995.80
  4. Step 4: Simplify right side
    11,487,022.20x = 143,392,425,754,360.16
  5. Step 5: Solve for x
    x = 143,392,425,754,360.16/11,487,022.20
  6. Step 6: Final answer
    x = 12,482,993.70

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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.