Home / 20,950,051.36-31,396,406.64-15,828,270.88

Finding the Fourth Proportional to 20,950,051.36, 31,396,406.64 and 15,828,270.88

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Solution

The fourth proportional to 20,950,051.36, 31,396,406.64 and 15,828,270.88 is: 23,720,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950,051.36 : 31,396,406.64 = 15,828,270.88 : x
  2. Step 2: Convert to fraction form
    20,950,051.36/31,396,406.64 = 15,828,270.88/x
  3. Step 3: Cross multiply
    20,950,051.36x = 31,396,406.64 × 15,828,270.88
  4. Step 4: Simplify right side
    20,950,051.36x = 496,950,828,956,550.69
  5. Step 5: Solve for x
    x = 496,950,828,956,550.69/20,950,051.36
  6. Step 6: Final answer
    x = 23,720,745.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.