Home / 15,037,440.59-20,751,112.34-8,161,775.03

Finding the Fourth Proportional to 15,037,440.59, 20,751,112.34 and 8,161,775.03

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Solution

The fourth proportional to 15,037,440.59, 20,751,112.34 and 8,161,775.03 is: 11,262,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,440.59 : 20,751,112.34 = 8,161,775.03 : x
  2. Step 2: Convert to fraction form
    15,037,440.59/20,751,112.34 = 8,161,775.03/x
  3. Step 3: Cross multiply
    15,037,440.59x = 20,751,112.34 × 8,161,775.03
  4. Step 4: Simplify right side
    15,037,440.59x = 169,365,910,613,619.09
  5. Step 5: Solve for x
    x = 169,365,910,613,619.09/15,037,440.59
  6. Step 6: Final answer
    x = 11,262,947.94

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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.