Home / 13,689,391.50-20,554,272.99-7,635,950.46

Finding the Fourth Proportional to 13,689,391.50, 20,554,272.99 and 7,635,950.46

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Solution

The fourth proportional to 13,689,391.50, 20,554,272.99 and 7,635,950.46 is: 11,465,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,391.50 : 20,554,272.99 = 7,635,950.46 : x
  2. Step 2: Convert to fraction form
    13,689,391.50/20,554,272.99 = 7,635,950.46/x
  3. Step 3: Cross multiply
    13,689,391.50x = 20,554,272.99 × 7,635,950.46
  4. Step 4: Simplify right side
    13,689,391.50x = 156,951,410,292,956.06
  5. Step 5: Solve for x
    x = 156,951,410,292,956.06/13,689,391.50
  6. Step 6: Final answer
    x = 11,465,185.31

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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.