Home / 7,023,191.70-9,692,791.11-3,967,602.78

Finding the Fourth Proportional to 7,023,191.70, 9,692,791.11 and 3,967,602.78

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Solution

The fourth proportional to 7,023,191.70, 9,692,791.11 and 3,967,602.78 is: 5,475,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023,191.70 : 9,692,791.11 = 3,967,602.78 : x
  2. Step 2: Convert to fraction form
    7,023,191.70/9,692,791.11 = 3,967,602.78/x
  3. Step 3: Cross multiply
    7,023,191.70x = 9,692,791.11 × 3,967,602.78
  4. Step 4: Simplify right side
    7,023,191.70x = 38,457,144,953,995.28
  5. Step 5: Solve for x
    x = 38,457,144,953,995.28/7,023,191.70
  6. Step 6: Final answer
    x = 5,475,736.19

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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.