Home / 36,998,189.64-51,056,199-20,478,346.02

Finding the Fourth Proportional to 36,998,189.64, 51,056,199 and 20,478,346.02

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Solution

The fourth proportional to 36,998,189.64, 51,056,199 and 20,478,346.02 is: 28,259,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,998,189.64 : 51,056,199 = 20,478,346.02 : x
  2. Step 2: Convert to fraction form
    36,998,189.64/51,056,199 = 20,478,346.02/x
  3. Step 3: Cross multiply
    36,998,189.64x = 51,056,199 × 20,478,346.02
  4. Step 4: Simplify right side
    36,998,189.64x = 1,045,546,509,587,978
  5. Step 5: Solve for x
    x = 1,045,546,509,587,978/36,998,189.64
  6. Step 6: Final answer
    x = 28,259,396.47

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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.