Home / 20,591,731.56-28,416,048.52-11,299,273.08

Finding the Fourth Proportional to 20,591,731.56, 28,416,048.52 and 11,299,273.08

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Solution

The fourth proportional to 20,591,731.56, 28,416,048.52 and 11,299,273.08 is: 15,592,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591,731.56 : 28,416,048.52 = 11,299,273.08 : x
  2. Step 2: Convert to fraction form
    20,591,731.56/28,416,048.52 = 11,299,273.08/x
  3. Step 3: Cross multiply
    20,591,731.56x = 28,416,048.52 × 11,299,273.08
  4. Step 4: Simplify right side
    20,591,731.56x = 321,080,692,082,009.81
  5. Step 5: Solve for x
    x = 321,080,692,082,009.81/20,591,731.56
  6. Step 6: Final answer
    x = 15,592,699.97

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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.