Home / 20,373,821.37-30,561,678.28-6,541,344.58

Finding the Fourth Proportional to 20,373,821.37, 30,561,678.28 and 6,541,344.58

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Solution

The fourth proportional to 20,373,821.37, 30,561,678.28 and 6,541,344.58 is: 9,812,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,821.37 : 30,561,678.28 = 6,541,344.58 : x
  2. Step 2: Convert to fraction form
    20,373,821.37/30,561,678.28 = 6,541,344.58/x
  3. Step 3: Cross multiply
    20,373,821.37x = 30,561,678.28 × 6,541,344.58
  4. Step 4: Simplify right side
    20,373,821.37x = 199,914,468,572,581.72
  5. Step 5: Solve for x
    x = 199,914,468,572,581.72/20,373,821.37
  6. Step 6: Final answer
    x = 9,812,320.67

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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.