Home / 13,870,776.24-20,814,383.92-7,727,899.52

Finding the Fourth Proportional to 13,870,776.24, 20,814,383.92 and 7,727,899.52

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Solution

The fourth proportional to 13,870,776.24, 20,814,383.92 and 7,727,899.52 is: 11,596,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,776.24 : 20,814,383.92 = 7,727,899.52 : x
  2. Step 2: Convert to fraction form
    13,870,776.24/20,814,383.92 = 7,727,899.52/x
  3. Step 3: Cross multiply
    13,870,776.24x = 20,814,383.92 × 7,727,899.52
  4. Step 4: Simplify right side
    13,870,776.24x = 160,851,467,504,463.72
  5. Step 5: Solve for x
    x = 160,851,467,504,463.72/13,870,776.24
  6. Step 6: Final answer
    x = 11,596,428.69

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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.