Home / 20,183,829.80-30,275,744.70-11,539,056.20

Finding the Fourth Proportional to 20,183,829.80, 30,275,744.70 and 11,539,056.20

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Solution

The fourth proportional to 20,183,829.80, 30,275,744.70 and 11,539,056.20 is: 17,308,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183,829.80 : 30,275,744.70 = 11,539,056.20 : x
  2. Step 2: Convert to fraction form
    20,183,829.80/30,275,744.70 = 11,539,056.20/x
  3. Step 3: Cross multiply
    20,183,829.80x = 30,275,744.70 × 11,539,056.20
  4. Step 4: Simplify right side
    20,183,829.80x = 349,353,519,590,152.12
  5. Step 5: Solve for x
    x = 349,353,519,590,152.12/20,183,829.80
  6. Step 6: Final answer
    x = 17,308,584.30

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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.