Home / 5,189,916.96-7,099,843.04-5,168,057.60

Finding the Fourth Proportional to 5,189,916.96, 7,099,843.04 and 5,168,057.60

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Solution

The fourth proportional to 5,189,916.96, 7,099,843.04 and 5,168,057.60 is: 7,069,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,916.96 : 7,099,843.04 = 5,168,057.60 : x
  2. Step 2: Convert to fraction form
    5,189,916.96/7,099,843.04 = 5,168,057.60/x
  3. Step 3: Cross multiply
    5,189,916.96x = 7,099,843.04 × 5,168,057.60
  4. Step 4: Simplify right side
    5,189,916.96x = 36,692,397,781,679.10
  5. Step 5: Solve for x
    x = 36,692,397,781,679.10/5,189,916.96
  6. Step 6: Final answer
    x = 7,069,939.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.