Home / 13,689,396-20,554,279.74-7,635,954.96

Finding the Fourth Proportional to 13,689,396, 20,554,279.74 and 7,635,954.96

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Solution

The fourth proportional to 13,689,396, 20,554,279.74 and 7,635,954.96 is: 11,465,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,396 : 20,554,279.74 = 7,635,954.96 : x
  2. Step 2: Convert to fraction form
    13,689,396/20,554,279.74 = 7,635,954.96/x
  3. Step 3: Cross multiply
    13,689,396x = 20,554,279.74 × 7,635,954.96
  4. Step 4: Simplify right side
    13,689,396x = 156,951,554,329,880.50
  5. Step 5: Solve for x
    x = 156,951,554,329,880.50/13,689,396
  6. Step 6: Final answer
    x = 11,465,192.06

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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.