Home / 34,279,605.56-51,419,709.75-8,720,642

Finding the Fourth Proportional to 34,279,605.56, 51,419,709.75 and 8,720,642

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Solution

The fourth proportional to 34,279,605.56, 51,419,709.75 and 8,720,642 is: 13,081,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279,605.56 : 51,419,709.75 = 8,720,642 : x
  2. Step 2: Convert to fraction form
    34,279,605.56/51,419,709.75 = 8,720,642/x
  3. Step 3: Cross multiply
    34,279,605.56x = 51,419,709.75 × 8,720,642
  4. Step 4: Simplify right side
    34,279,605.56x = 448,412,880,473,659.50
  5. Step 5: Solve for x
    x = 448,412,880,473,659.50/34,279,605.56
  6. Step 6: Final answer
    x = 13,081,039.68

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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.