Home / 20,834,125.44-31,225,993.92-10,731,235.20

Finding the Fourth Proportional to 20,834,125.44, 31,225,993.92 and 10,731,235.20

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Solution

The fourth proportional to 20,834,125.44, 31,225,993.92 and 10,731,235.20 is: 16,083,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834,125.44 : 31,225,993.92 = 10,731,235.20 : x
  2. Step 2: Convert to fraction form
    20,834,125.44/31,225,993.92 = 10,731,235.20/x
  3. Step 3: Cross multiply
    20,834,125.44x = 31,225,993.92 × 10,731,235.20
  4. Step 4: Simplify right side
    20,834,125.44x = 335,093,485,109,290
  5. Step 5: Solve for x
    x = 335,093,485,109,290/20,834,125.44
  6. Step 6: Final answer
    x = 16,083,875.76

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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.