Home / 21,995,632.80-32,993,449.20-20,401,309.80

Finding the Fourth Proportional to 21,995,632.80, 32,993,449.20 and 20,401,309.80

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Solution

The fourth proportional to 21,995,632.80, 32,993,449.20 and 20,401,309.80 is: 30,601,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995,632.80 : 32,993,449.20 = 20,401,309.80 : x
  2. Step 2: Convert to fraction form
    21,995,632.80/32,993,449.20 = 20,401,309.80/x
  3. Step 3: Cross multiply
    21,995,632.80x = 32,993,449.20 × 20,401,309.80
  4. Step 4: Simplify right side
    21,995,632.80x = 673,109,578,499,762.12
  5. Step 5: Solve for x
    x = 673,109,578,499,762.12/21,995,632.80
  6. Step 6: Final answer
    x = 30,601,964.70

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1.5x scale

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.