Home / 9,090,321.80-13,635,498.18-7,280,199.30

Finding the Fourth Proportional to 9,090,321.80, 13,635,498.18 and 7,280,199.30

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Solution

The fourth proportional to 9,090,321.80, 13,635,498.18 and 7,280,199.30 is: 10,920,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090,321.80 : 13,635,498.18 = 7,280,199.30 : x
  2. Step 2: Convert to fraction form
    9,090,321.80/13,635,498.18 = 7,280,199.30/x
  3. Step 3: Cross multiply
    9,090,321.80x = 13,635,498.18 × 7,280,199.30
  4. Step 4: Simplify right side
    9,090,321.80x = 99,269,144,383,621.14
  5. Step 5: Solve for x
    x = 99,269,144,383,621.14/9,090,321.80
  6. Step 6: Final answer
    x = 10,920,311.36

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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.