Home / 47,822,231.05-65,978,163.16-28,989,851.16

Finding the Fourth Proportional to 47,822,231.05, 65,978,163.16 and 28,989,851.16

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Solution

The fourth proportional to 47,822,231.05, 65,978,163.16 and 28,989,851.16 is: 39,995,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,822,231.05 : 65,978,163.16 = 28,989,851.16 : x
  2. Step 2: Convert to fraction form
    47,822,231.05/65,978,163.16 = 28,989,851.16/x
  3. Step 3: Cross multiply
    47,822,231.05x = 65,978,163.16 × 28,989,851.16
  4. Step 4: Simplify right side
    47,822,231.05x = 1,912,697,129,622,411.50
  5. Step 5: Solve for x
    x = 1,912,697,129,622,411.50/47,822,231.05
  6. Step 6: Final answer
    x = 39,995,982.78

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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.