Home / 20,227,908.80-30,352,360.80-8,869,505.60

Finding the Fourth Proportional to 20,227,908.80, 30,352,360.80 and 8,869,505.60

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Solution

The fourth proportional to 20,227,908.80, 30,352,360.80 and 8,869,505.60 is: 13,308,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,908.80 : 30,352,360.80 = 8,869,505.60 : x
  2. Step 2: Convert to fraction form
    20,227,908.80/30,352,360.80 = 8,869,505.60/x
  3. Step 3: Cross multiply
    20,227,908.80x = 30,352,360.80 × 8,869,505.60
  4. Step 4: Simplify right side
    20,227,908.80x = 269,210,434,088,820.47
  5. Step 5: Solve for x
    x = 269,210,434,088,820.47/20,227,908.80
  6. Step 6: Final answer
    x = 13,308,861.37

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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.