Home / 20,118,265.62-30,178,491.93-5,740,227.78

Finding the Fourth Proportional to 20,118,265.62, 30,178,491.93 and 5,740,227.78

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Solution

The fourth proportional to 20,118,265.62, 30,178,491.93 and 5,740,227.78 is: 8,610,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,265.62 : 30,178,491.93 = 5,740,227.78 : x
  2. Step 2: Convert to fraction form
    20,118,265.62/30,178,491.93 = 5,740,227.78/x
  3. Step 3: Cross multiply
    20,118,265.62x = 30,178,491.93 × 5,740,227.78
  4. Step 4: Simplify right side
    20,118,265.62x = 173,231,417,735,091.81
  5. Step 5: Solve for x
    x = 173,231,417,735,091.81/20,118,265.62
  6. Step 6: Final answer
    x = 8,610,653.67

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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.