Home / 21,131,208.45-31,701,365.28-6,557,842.35

Finding the Fourth Proportional to 21,131,208.45, 31,701,365.28 and 6,557,842.35

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Solution

The fourth proportional to 21,131,208.45, 31,701,365.28 and 6,557,842.35 is: 9,838,176.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,131,208.45 : 31,701,365.28 = 6,557,842.35 : x
  2. Step 2: Convert to fraction form
    21,131,208.45/31,701,365.28 = 6,557,842.35/x
  3. Step 3: Cross multiply
    21,131,208.45x = 31,701,365.28 × 6,557,842.35
  4. Step 4: Simplify right side
    21,131,208.45x = 207,892,555,786,003.59
  5. Step 5: Solve for x
    x = 207,892,555,786,003.59/21,131,208.45
  6. Step 6: Final answer
    x = 9,838,176.38

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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.