Home / 28,769,179.86-39,702,053.46-15,717,284.14

Finding the Fourth Proportional to 28,769,179.86, 39,702,053.46 and 15,717,284.14

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Solution

The fourth proportional to 28,769,179.86, 39,702,053.46 and 15,717,284.14 is: 21,690,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769,179.86 : 39,702,053.46 = 15,717,284.14 : x
  2. Step 2: Convert to fraction form
    28,769,179.86/39,702,053.46 = 15,717,284.14/x
  3. Step 3: Cross multiply
    28,769,179.86x = 39,702,053.46 × 15,717,284.14
  4. Step 4: Simplify right side
    28,769,179.86x = 624,008,455,093,703.75
  5. Step 5: Solve for x
    x = 624,008,455,093,703.75/28,769,179.86
  6. Step 6: Final answer
    x = 21,690,171.85

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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.