Home / 20,794,280.86-28,694,181.81-11,501,650.96

Finding the Fourth Proportional to 20,794,280.86, 28,694,181.81 and 11,501,650.96

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Solution

The fourth proportional to 20,794,280.86, 28,694,181.81 and 11,501,650.96 is: 15,871,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794,280.86 : 28,694,181.81 = 11,501,650.96 : x
  2. Step 2: Convert to fraction form
    20,794,280.86/28,694,181.81 = 11,501,650.96/x
  3. Step 3: Cross multiply
    20,794,280.86x = 28,694,181.81 × 11,501,650.96
  4. Step 4: Simplify right side
    20,794,280.86x = 330,030,463,761,401.06
  5. Step 5: Solve for x
    x = 330,030,463,761,401.06/20,794,280.86
  6. Step 6: Final answer
    x = 15,871,213.15

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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.