Home / 7,108,538.79-10,656,266.43-3,865,338.21

Finding the Fourth Proportional to 7,108,538.79, 10,656,266.43 and 3,865,338.21

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Solution

The fourth proportional to 7,108,538.79, 10,656,266.43 and 3,865,338.21 is: 5,794,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108,538.79 : 10,656,266.43 = 3,865,338.21 : x
  2. Step 2: Convert to fraction form
    7,108,538.79/10,656,266.43 = 3,865,338.21/x
  3. Step 3: Cross multiply
    7,108,538.79x = 10,656,266.43 × 3,865,338.21
  4. Step 4: Simplify right side
    7,108,538.79x = 41,190,073,807,819.29
  5. Step 5: Solve for x
    x = 41,190,073,807,819.29/7,108,538.79
  6. Step 6: Final answer
    x = 5,794,450.17

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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.