Home / 12,218,536.80-18,323,139.60-3,696,040.80

Finding the Fourth Proportional to 12,218,536.80, 18,323,139.60 and 3,696,040.80

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Solution

The fourth proportional to 12,218,536.80, 18,323,139.60 and 3,696,040.80 is: 5,542,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,536.80 : 18,323,139.60 = 3,696,040.80 : x
  2. Step 2: Convert to fraction form
    12,218,536.80/18,323,139.60 = 3,696,040.80/x
  3. Step 3: Cross multiply
    12,218,536.80x = 18,323,139.60 × 3,696,040.80
  4. Step 4: Simplify right side
    12,218,536.80x = 67,723,071,545,695.68
  5. Step 5: Solve for x
    x = 67,723,071,545,695.68/12,218,536.80
  6. Step 6: Final answer
    x = 5,542,649.88

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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.