Home / 7,827,720.42-11,745,291.15-3,781,940.34

Finding the Fourth Proportional to 7,827,720.42, 11,745,291.15 and 3,781,940.34

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Solution

The fourth proportional to 7,827,720.42, 11,745,291.15 and 3,781,940.34 is: 5,674,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,720.42 : 11,745,291.15 = 3,781,940.34 : x
  2. Step 2: Convert to fraction form
    7,827,720.42/11,745,291.15 = 3,781,940.34/x
  3. Step 3: Cross multiply
    7,827,720.42x = 11,745,291.15 × 3,781,940.34
  4. Step 4: Simplify right side
    7,827,720.42x = 44,419,990,405,229.99
  5. Step 5: Solve for x
    x = 44,419,990,405,229.99/7,827,720.42
  6. Step 6: Final answer
    x = 5,674,703.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.