Home / 15,058,187.96-20,780,606.70-8,183,112.89

Finding the Fourth Proportional to 15,058,187.96, 20,780,606.70 and 8,183,112.89

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Solution

The fourth proportional to 15,058,187.96, 20,780,606.70 and 8,183,112.89 is: 11,292,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058,187.96 : 20,780,606.70 = 8,183,112.89 : x
  2. Step 2: Convert to fraction form
    15,058,187.96/20,780,606.70 = 8,183,112.89/x
  3. Step 3: Cross multiply
    15,058,187.96x = 20,780,606.70 × 8,183,112.89
  4. Step 4: Simplify right side
    15,058,187.96x = 170,050,050,444,887.31
  5. Step 5: Solve for x
    x = 170,050,050,444,887.31/15,058,187.96
  6. Step 6: Final answer
    x = 11,292,862.79

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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.