Home / 10,387,808.31-14,335,220.52-5,678,299.96

Finding the Fourth Proportional to 10,387,808.31, 14,335,220.52 and 5,678,299.96

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Solution

The fourth proportional to 10,387,808.31, 14,335,220.52 and 5,678,299.96 is: 7,836,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,808.31 : 14,335,220.52 = 5,678,299.96 : x
  2. Step 2: Convert to fraction form
    10,387,808.31/14,335,220.52 = 5,678,299.96/x
  3. Step 3: Cross multiply
    10,387,808.31x = 14,335,220.52 × 5,678,299.96
  4. Step 4: Simplify right side
    10,387,808.31x = 81,399,682,069,469.12
  5. Step 5: Solve for x
    x = 81,399,682,069,469.12/10,387,808.31
  6. Step 6: Final answer
    x = 7,836,078.57

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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.