Home / 12,950,188.04-17,870,791.08-7,148,845.22

Finding the Fourth Proportional to 12,950,188.04, 17,870,791.08 and 7,148,845.22

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Solution

The fourth proportional to 12,950,188.04, 17,870,791.08 and 7,148,845.22 is: 9,865,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,188.04 : 17,870,791.08 = 7,148,845.22 : x
  2. Step 2: Convert to fraction form
    12,950,188.04/17,870,791.08 = 7,148,845.22/x
  3. Step 3: Cross multiply
    12,950,188.04x = 17,870,791.08 × 7,148,845.22
  4. Step 4: Simplify right side
    12,950,188.04x = 127,755,519,389,876.62
  5. Step 5: Solve for x
    x = 127,755,519,389,876.62/12,950,188.04
  6. Step 6: Final answer
    x = 9,865,147.83

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1.5x scale

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.