Home / 12,713,609.52-18,950,647.77-11,693,242.80

Finding the Fourth Proportional to 12,713,609.52, 18,950,647.77 and 11,693,242.80

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Solution

The fourth proportional to 12,713,609.52, 18,950,647.77 and 11,693,242.80 is: 17,429,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,609.52 : 18,950,647.77 = 11,693,242.80 : x
  2. Step 2: Convert to fraction form
    12,713,609.52/18,950,647.77 = 11,693,242.80/x
  3. Step 3: Cross multiply
    12,713,609.52x = 18,950,647.77 × 11,693,242.80
  4. Step 4: Simplify right side
    12,713,609.52x = 221,594,525,591,888.56
  5. Step 5: Solve for x
    x = 221,594,525,591,888.56/12,713,609.52
  6. Step 6: Final answer
    x = 17,429,709.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.