Home / 20,110,882.20-30,166,323.30-7,331,803.80

Finding the Fourth Proportional to 20,110,882.20, 30,166,323.30 and 7,331,803.80

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Solution

The fourth proportional to 20,110,882.20, 30,166,323.30 and 7,331,803.80 is: 10,997,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,882.20 : 30,166,323.30 = 7,331,803.80 : x
  2. Step 2: Convert to fraction form
    20,110,882.20/30,166,323.30 = 7,331,803.80/x
  3. Step 3: Cross multiply
    20,110,882.20x = 30,166,323.30 × 7,331,803.80
  4. Step 4: Simplify right side
    20,110,882.20x = 221,173,563,802,968.53
  5. Step 5: Solve for x
    x = 221,173,563,802,968.53/20,110,882.20
  6. Step 6: Final answer
    x = 10,997,705.70

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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.