Home / 20,734,632.22-31,101,816.20-7,081,190.86

Finding the Fourth Proportional to 20,734,632.22, 31,101,816.20 and 7,081,190.86

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Solution

The fourth proportional to 20,734,632.22, 31,101,816.20 and 7,081,190.86 is: 10,621,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,632.22 : 31,101,816.20 = 7,081,190.86 : x
  2. Step 2: Convert to fraction form
    20,734,632.22/31,101,816.20 = 7,081,190.86/x
  3. Step 3: Cross multiply
    20,734,632.22x = 31,101,816.20 × 7,081,190.86
  4. Step 4: Simplify right side
    20,734,632.22x = 220,237,896,604,839.94
  5. Step 5: Solve for x
    x = 220,237,896,604,839.94/20,734,632.22
  6. Step 6: Final answer
    x = 10,621,741.17

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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.