Home / 20,005,074.32-30,004,134.15-5,624,729.20

Finding the Fourth Proportional to 20,005,074.32, 30,004,134.15 and 5,624,729.20

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Solution

The fourth proportional to 20,005,074.32, 30,004,134.15 and 5,624,729.20 is: 8,436,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,074.32 : 30,004,134.15 = 5,624,729.20 : x
  2. Step 2: Convert to fraction form
    20,005,074.32/30,004,134.15 = 5,624,729.20/x
  3. Step 3: Cross multiply
    20,005,074.32x = 30,004,134.15 × 5,624,729.20
  4. Step 4: Simplify right side
    20,005,074.32x = 168,765,129,324,201.50
  5. Step 5: Solve for x
    x = 168,765,129,324,201.50/20,005,074.32
  6. Step 6: Final answer
    x = 8,436,116.09

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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.