Home / 21,802,403.80-32,703,605.70-20,160,112.60

Finding the Fourth Proportional to 21,802,403.80, 32,703,605.70 and 20,160,112.60

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Solution

The fourth proportional to 21,802,403.80, 32,703,605.70 and 20,160,112.60 is: 30,240,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802,403.80 : 32,703,605.70 = 20,160,112.60 : x
  2. Step 2: Convert to fraction form
    21,802,403.80/32,703,605.70 = 20,160,112.60/x
  3. Step 3: Cross multiply
    21,802,403.80x = 32,703,605.70 × 20,160,112.60
  4. Step 4: Simplify right side
    21,802,403.80x = 659,308,373,338,001.88
  5. Step 5: Solve for x
    x = 659,308,373,338,001.88/21,802,403.80
  6. Step 6: Final answer
    x = 30,240,168.90

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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.