Home / 19,622,826.86-29,431,994.36-5,247,015.65

Finding the Fourth Proportional to 19,622,826.86, 29,431,994.36 and 5,247,015.65

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Solution

The fourth proportional to 19,622,826.86, 29,431,994.36 and 5,247,015.65 is: 7,869,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622,826.86 : 29,431,994.36 = 5,247,015.65 : x
  2. Step 2: Convert to fraction form
    19,622,826.86/29,431,994.36 = 5,247,015.65/x
  3. Step 3: Cross multiply
    19,622,826.86x = 29,431,994.36 × 5,247,015.65
  4. Step 4: Simplify right side
    19,622,826.86x = 154,430,134,844,236.69
  5. Step 5: Solve for x
    x = 154,430,134,844,236.69/19,622,826.86
  6. Step 6: Final answer
    x = 7,869,922.92

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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.