Home / 8,339,811-11,508,861.42-4,718,139

Finding the Fourth Proportional to 8,339,811, 11,508,861.42 and 4,718,139

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Solution

The fourth proportional to 8,339,811, 11,508,861.42 and 4,718,139 is: 6,510,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339,811 : 11,508,861.42 = 4,718,139 : x
  2. Step 2: Convert to fraction form
    8,339,811/11,508,861.42 = 4,718,139/x
  3. Step 3: Cross multiply
    8,339,811x = 11,508,861.42 × 4,718,139
  4. Step 4: Simplify right side
    8,339,811x = 54,300,407,911,297.38
  5. Step 5: Solve for x
    x = 54,300,407,911,297.38/8,339,811
  6. Step 6: Final answer
    x = 6,510,987.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.