Home / 28,751,534.82-39,678,724.26-15,700,004.82

Finding the Fourth Proportional to 28,751,534.82, 39,678,724.26 and 15,700,004.82

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Solution

The fourth proportional to 28,751,534.82, 39,678,724.26 and 15,700,004.82 is: 21,666,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751,534.82 : 39,678,724.26 = 15,700,004.82 : x
  2. Step 2: Convert to fraction form
    28,751,534.82/39,678,724.26 = 15,700,004.82/x
  3. Step 3: Cross multiply
    28,751,534.82x = 39,678,724.26 × 15,700,004.82
  4. Step 4: Simplify right side
    28,751,534.82x = 622,956,162,133,450.88
  5. Step 5: Solve for x
    x = 622,956,162,133,450.88/28,751,534.82
  6. Step 6: Final answer
    x = 21,666,883.73

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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.