Home / 20,300,391.62-30,438,426.41-6,461,372.73

Finding the Fourth Proportional to 20,300,391.62, 30,438,426.41 and 6,461,372.73

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Solution

The fourth proportional to 20,300,391.62, 30,438,426.41 and 6,461,372.73 is: 9,688,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300,391.62 : 30,438,426.41 = 6,461,372.73 : x
  2. Step 2: Convert to fraction form
    20,300,391.62/30,438,426.41 = 6,461,372.73/x
  3. Step 3: Cross multiply
    20,300,391.62x = 30,438,426.41 × 6,461,372.73
  4. Step 4: Simplify right side
    20,300,391.62x = 196,674,018,317,378.97
  5. Step 5: Solve for x
    x = 196,674,018,317,378.97/20,300,391.62
  6. Step 6: Final answer
    x = 9,688,188.39

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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.