Home / 10,351,784.15-14,285,398.20-5,642,174.31

Finding the Fourth Proportional to 10,351,784.15, 14,285,398.20 and 5,642,174.31

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Solution

The fourth proportional to 10,351,784.15, 14,285,398.20 and 5,642,174.31 is: 7,786,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,784.15 : 14,285,398.20 = 5,642,174.31 : x
  2. Step 2: Convert to fraction form
    10,351,784.15/14,285,398.20 = 5,642,174.31/x
  3. Step 3: Cross multiply
    10,351,784.15x = 14,285,398.20 × 5,642,174.31
  4. Step 4: Simplify right side
    10,351,784.15x = 80,600,706,793,836.33
  5. Step 5: Solve for x
    x = 80,600,706,793,836.33/10,351,784.15
  6. Step 6: Final answer
    x = 7,786,165.71

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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.