Home / 21,969,884.80-32,976,945.60-10,619,459.20

Finding the Fourth Proportional to 21,969,884.80, 32,976,945.60 and 10,619,459.20

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Solution

The fourth proportional to 21,969,884.80, 32,976,945.60 and 10,619,459.20 is: 15,939,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969,884.80 : 32,976,945.60 = 10,619,459.20 : x
  2. Step 2: Convert to fraction form
    21,969,884.80/32,976,945.60 = 10,619,459.20/x
  3. Step 3: Cross multiply
    21,969,884.80x = 32,976,945.60 × 10,619,459.20
  4. Step 4: Simplify right side
    21,969,884.80x = 350,197,328,339,819.50
  5. Step 5: Solve for x
    x = 350,197,328,339,819.50/21,969,884.80
  6. Step 6: Final answer
    x = 15,939,880.05

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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.