Home / 20,541,732.30-30,812,598.45-5,188,992.30

Finding the Fourth Proportional to 20,541,732.30, 30,812,598.45 and 5,188,992.30

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Solution

The fourth proportional to 20,541,732.30, 30,812,598.45 and 5,188,992.30 is: 7,783,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541,732.30 : 30,812,598.45 = 5,188,992.30 : x
  2. Step 2: Convert to fraction form
    20,541,732.30/30,812,598.45 = 5,188,992.30/x
  3. Step 3: Cross multiply
    20,541,732.30x = 30,812,598.45 × 5,188,992.30
  4. Step 4: Simplify right side
    20,541,732.30x = 159,886,336,100,041.94
  5. Step 5: Solve for x
    x = 159,886,336,100,041.94/20,541,732.30
  6. Step 6: Final answer
    x = 7,783,488.45

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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.