Home / 20,131,734.82-30,169,453.37-10,889,754.40

Finding the Fourth Proportional to 20,131,734.82, 30,169,453.37 and 10,889,754.40

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Solution

The fourth proportional to 20,131,734.82, 30,169,453.37 and 10,889,754.40 is: 16,319,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,131,734.82 : 30,169,453.37 = 10,889,754.40 : x
  2. Step 2: Convert to fraction form
    20,131,734.82/30,169,453.37 = 10,889,754.40/x
  3. Step 3: Cross multiply
    20,131,734.82x = 30,169,453.37 × 10,889,754.40
  4. Step 4: Simplify right side
    20,131,734.82x = 328,537,937,581,552.38
  5. Step 5: Solve for x
    x = 328,537,937,581,552.38/20,131,734.82
  6. Step 6: Final answer
    x = 16,319,405.18

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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.