Home / 13,651,990.52-20,470,063.26-6,463,463.72

Finding the Fourth Proportional to 13,651,990.52, 20,470,063.26 and 6,463,463.72

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Solution

The fourth proportional to 13,651,990.52, 20,470,063.26 and 6,463,463.72 is: 9,691,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651,990.52 : 20,470,063.26 = 6,463,463.72 : x
  2. Step 2: Convert to fraction form
    13,651,990.52/20,470,063.26 = 6,463,463.72/x
  3. Step 3: Cross multiply
    13,651,990.52x = 20,470,063.26 × 6,463,463.72
  4. Step 4: Simplify right side
    13,651,990.52x = 132,307,511,227,114.94
  5. Step 5: Solve for x
    x = 132,307,511,227,114.94/13,651,990.52
  6. Step 6: Final answer
    x = 9,691,444.70

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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.