Home / 10,050,877.82-15,077,998.31-7,891,815.84

Finding the Fourth Proportional to 10,050,877.82, 15,077,998.31 and 7,891,815.84

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Solution

The fourth proportional to 10,050,877.82, 15,077,998.31 and 7,891,815.84 is: 11,839,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050,877.82 : 15,077,998.31 = 7,891,815.84 : x
  2. Step 2: Convert to fraction form
    10,050,877.82/15,077,998.31 = 7,891,815.84/x
  3. Step 3: Cross multiply
    10,050,877.82x = 15,077,998.31 × 7,891,815.84
  4. Step 4: Simplify right side
    10,050,877.82x = 118,992,785,858,892.14
  5. Step 5: Solve for x
    x = 118,992,785,858,892.14/10,050,877.82
  6. Step 6: Final answer
    x = 11,839,044.12

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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.