Home / 20,030,071.82-30,079,491.21-12,294,410.71

Finding the Fourth Proportional to 20,030,071.82, 30,079,491.21 and 12,294,410.71

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Solution

The fourth proportional to 20,030,071.82, 30,079,491.21 and 12,294,410.71 is: 18,462,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,071.82 : 30,079,491.21 = 12,294,410.71 : x
  2. Step 2: Convert to fraction form
    20,030,071.82/30,079,491.21 = 12,294,410.71/x
  3. Step 3: Cross multiply
    20,030,071.82x = 30,079,491.21 × 12,294,410.71
  4. Step 4: Simplify right side
    20,030,071.82x = 369,809,618,855,209.12
  5. Step 5: Solve for x
    x = 369,809,618,855,209.12/20,030,071.82
  6. Step 6: Final answer
    x = 18,462,720.56

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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.