Home / 12,811,346.73-17,679,658.49-7,010,128.49

Finding the Fourth Proportional to 12,811,346.73, 17,679,658.49 and 7,010,128.49

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Solution

The fourth proportional to 12,811,346.73, 17,679,658.49 and 7,010,128.49 is: 9,673,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,346.73 : 17,679,658.49 = 7,010,128.49 : x
  2. Step 2: Convert to fraction form
    12,811,346.73/17,679,658.49 = 7,010,128.49/x
  3. Step 3: Cross multiply
    12,811,346.73x = 17,679,658.49 × 7,010,128.49
  4. Step 4: Simplify right side
    12,811,346.73x = 123,936,677,550,770.45
  5. Step 5: Solve for x
    x = 123,936,677,550,770.45/12,811,346.73
  6. Step 6: Final answer
    x = 9,673,977.31

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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.