Home / 6,389,475.14-8,818,169.90-3,942,023.25

Finding the Fourth Proportional to 6,389,475.14, 8,818,169.90 and 3,942,023.25

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Solution

The fourth proportional to 6,389,475.14, 8,818,169.90 and 3,942,023.25 is: 5,440,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,475.14 : 8,818,169.90 = 3,942,023.25 : x
  2. Step 2: Convert to fraction form
    6,389,475.14/8,818,169.90 = 3,942,023.25/x
  3. Step 3: Cross multiply
    6,389,475.14x = 8,818,169.90 × 3,942,023.25
  4. Step 4: Simplify right side
    6,389,475.14x = 34,761,430,781,608.20
  5. Step 5: Solve for x
    x = 34,761,430,781,608.20/6,389,475.14
  6. Step 6: Final answer
    x = 5,440,420.38

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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.