Home / 7,021,373.82-9,689,493.51-3,802,109.82

Finding the Fourth Proportional to 7,021,373.82, 9,689,493.51 and 3,802,109.82

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Solution

The fourth proportional to 7,021,373.82, 9,689,493.51 and 3,802,109.82 is: 5,246,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,373.82 : 9,689,493.51 = 3,802,109.82 : x
  2. Step 2: Convert to fraction form
    7,021,373.82/9,689,493.51 = 3,802,109.82/x
  3. Step 3: Cross multiply
    7,021,373.82x = 9,689,493.51 × 3,802,109.82
  4. Step 4: Simplify right side
    7,021,373.82x = 36,840,518,425,197.27
  5. Step 5: Solve for x
    x = 36,840,518,425,197.27/7,021,373.82
  6. Step 6: Final answer
    x = 5,246,910.27

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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.