Home / 12,682,039-19,019,062.42-4,160,389.72

Finding the Fourth Proportional to 12,682,039, 19,019,062.42 and 4,160,389.72

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Solution

The fourth proportional to 12,682,039, 19,019,062.42 and 4,160,389.72 is: 6,239,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682,039 : 19,019,062.42 = 4,160,389.72 : x
  2. Step 2: Convert to fraction form
    12,682,039/19,019,062.42 = 4,160,389.72/x
  3. Step 3: Cross multiply
    12,682,039x = 19,019,062.42 × 4,160,389.72
  4. Step 4: Simplify right side
    12,682,039x = 79,126,711,776,206.33
  5. Step 5: Solve for x
    x = 79,126,711,776,206.33/12,682,039
  6. Step 6: Final answer
    x = 6,239,273.65

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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.