Home / 21,984,116.40-32,960,428.20-9,198,039.60

Finding the Fourth Proportional to 21,984,116.40, 32,960,428.20 and 9,198,039.60

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Solution

The fourth proportional to 21,984,116.40, 32,960,428.20 and 9,198,039.60 is: 13,790,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,116.40 : 32,960,428.20 = 9,198,039.60 : x
  2. Step 2: Convert to fraction form
    21,984,116.40/32,960,428.20 = 9,198,039.60/x
  3. Step 3: Cross multiply
    21,984,116.40x = 32,960,428.20 × 9,198,039.60
  4. Step 4: Simplify right side
    21,984,116.40x = 303,171,323,816,556.69
  5. Step 5: Solve for x
    x = 303,171,323,816,556.69/21,984,116.40
  6. Step 6: Final answer
    x = 13,790,471.19

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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.