Home / 12,950,760.50-17,871,580.07-7,149,417.38

Finding the Fourth Proportional to 12,950,760.50, 17,871,580.07 and 7,149,417.38

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Solution

The fourth proportional to 12,950,760.50, 17,871,580.07 and 7,149,417.38 is: 9,865,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,760.50 : 17,871,580.07 = 7,149,417.38 : x
  2. Step 2: Convert to fraction form
    12,950,760.50/17,871,580.07 = 7,149,417.38/x
  3. Step 3: Cross multiply
    12,950,760.50x = 17,871,580.07 × 7,149,417.38
  4. Step 4: Simplify right side
    12,950,760.50x = 127,771,385,160,519.61
  5. Step 5: Solve for x
    x = 127,771,385,160,519.61/12,950,760.50
  6. Step 6: Final answer
    x = 9,865,936.84

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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.