Home / 40,524,520.19-55,923,861.11-21,939,665.13

Finding the Fourth Proportional to 40,524,520.19, 55,923,861.11 and 21,939,665.13

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Solution

The fourth proportional to 40,524,520.19, 55,923,861.11 and 21,939,665.13 is: 30,276,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,524,520.19 : 55,923,861.11 = 21,939,665.13 : x
  2. Step 2: Convert to fraction form
    40,524,520.19/55,923,861.11 = 21,939,665.13/x
  3. Step 3: Cross multiply
    40,524,520.19x = 55,923,861.11 × 21,939,665.13
  4. Step 4: Simplify right side
    40,524,520.19x = 1,226,950,785,420,331.75
  5. Step 5: Solve for x
    x = 1,226,950,785,420,331.75/40,524,520.19
  6. Step 6: Final answer
    x = 30,276,750.47

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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.