Home / 12,950,219.32-17,871,193.04-7,148,876.48

Finding the Fourth Proportional to 12,950,219.32, 17,871,193.04 and 7,148,876.48

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Solution

The fourth proportional to 12,950,219.32, 17,871,193.04 and 7,148,876.48 is: 9,865,389.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,219.32 : 17,871,193.04 = 7,148,876.48 : x
  2. Step 2: Convert to fraction form
    12,950,219.32/17,871,193.04 = 7,148,876.48/x
  3. Step 3: Cross multiply
    12,950,219.32x = 17,871,193.04 × 7,148,876.48
  4. Step 4: Simplify right side
    12,950,219.32x = 127,758,951,593,195.70
  5. Step 5: Solve for x
    x = 127,758,951,593,195.70/12,950,219.32
  6. Step 6: Final answer
    x = 9,865,389.03

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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.