Home / 13,646,538.52-20,479,684.68-5,338,567.48

Finding the Fourth Proportional to 13,646,538.52, 20,479,684.68 and 5,338,567.48

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Solution

The fourth proportional to 13,646,538.52, 20,479,684.68 and 5,338,567.48 is: 8,011,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,538.52 : 20,479,684.68 = 5,338,567.48 : x
  2. Step 2: Convert to fraction form
    13,646,538.52/20,479,684.68 = 5,338,567.48/x
  3. Step 3: Cross multiply
    13,646,538.52x = 20,479,684.68 × 5,338,567.48
  4. Step 4: Simplify right side
    13,646,538.52x = 109,332,178,633,302.22
  5. Step 5: Solve for x
    x = 109,332,178,633,302.22/13,646,538.52
  6. Step 6: Final answer
    x = 8,011,715.09

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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.