Home / 11,275,108.56-15,559,660.36-6,446,313.68

Finding the Fourth Proportional to 11,275,108.56, 15,559,660.36 and 6,446,313.68

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Solution

The fourth proportional to 11,275,108.56, 15,559,660.36 and 6,446,313.68 is: 8,895,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275,108.56 : 15,559,660.36 = 6,446,313.68 : x
  2. Step 2: Convert to fraction form
    11,275,108.56/15,559,660.36 = 6,446,313.68/x
  3. Step 3: Cross multiply
    11,275,108.56x = 15,559,660.36 × 6,446,313.68
  4. Step 4: Simplify right side
    11,275,108.56x = 100,302,451,434,821.72
  5. Step 5: Solve for x
    x = 100,302,451,434,821.72/11,275,108.56
  6. Step 6: Final answer
    x = 8,895,918.91

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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.