Home / 36,871,938.72-50,875,679.07-21,187,933.83

Finding the Fourth Proportional to 36,871,938.72, 50,875,679.07 and 21,187,933.83

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Solution

The fourth proportional to 36,871,938.72, 50,875,679.07 and 21,187,933.83 is: 29,234,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,871,938.72 : 50,875,679.07 = 21,187,933.83 : x
  2. Step 2: Convert to fraction form
    36,871,938.72/50,875,679.07 = 21,187,933.83/x
  3. Step 3: Cross multiply
    36,871,938.72x = 50,875,679.07 × 21,187,933.83
  4. Step 4: Simplify right side
    36,871,938.72x = 1,077,950,521,691,475.88
  5. Step 5: Solve for x
    x = 1,077,950,521,691,475.88/36,871,938.72
  6. Step 6: Final answer
    x = 29,234,983.54

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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.