Home / 20,177,122.20-30,345,399.45-18,104,502.30

Finding the Fourth Proportional to 20,177,122.20, 30,345,399.45 and 18,104,502.30

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Solution

The fourth proportional to 20,177,122.20, 30,345,399.45 and 18,104,502.30 is: 27,228,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,122.20 : 30,345,399.45 = 18,104,502.30 : x
  2. Step 2: Convert to fraction form
    20,177,122.20/30,345,399.45 = 18,104,502.30/x
  3. Step 3: Cross multiply
    20,177,122.20x = 30,345,399.45 × 18,104,502.30
  4. Step 4: Simplify right side
    20,177,122.20x = 549,388,354,136,943.75
  5. Step 5: Solve for x
    x = 549,388,354,136,943.75/20,177,122.20
  6. Step 6: Final answer
    x = 27,228,281.05

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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.