Home / 6,984,567.36-9,638,181.90-3,928,191.12

Finding the Fourth Proportional to 6,984,567.36, 9,638,181.90 and 3,928,191.12

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Solution

The fourth proportional to 6,984,567.36, 9,638,181.90 and 3,928,191.12 is: 5,420,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984,567.36 : 9,638,181.90 = 3,928,191.12 : x
  2. Step 2: Convert to fraction form
    6,984,567.36/9,638,181.90 = 3,928,191.12/x
  3. Step 3: Cross multiply
    6,984,567.36x = 9,638,181.90 × 3,928,191.12
  4. Step 4: Simplify right side
    6,984,567.36x = 37,860,620,552,524.73
  5. Step 5: Solve for x
    x = 37,860,620,552,524.73/6,984,567.36
  6. Step 6: Final answer
    x = 5,420,610.70

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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.