Home / 21,204,338.41-31,777,081.13-9,661,596.74

Finding the Fourth Proportional to 21,204,338.41, 31,777,081.13 and 9,661,596.74

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Solution

The fourth proportional to 21,204,338.41, 31,777,081.13 and 9,661,596.74 is: 14,478,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,338.41 : 31,777,081.13 = 9,661,596.74 : x
  2. Step 2: Convert to fraction form
    21,204,338.41/31,777,081.13 = 9,661,596.74/x
  3. Step 3: Cross multiply
    21,204,338.41x = 31,777,081.13 × 9,661,596.74
  4. Step 4: Simplify right side
    21,204,338.41x = 307,017,343,317,592.06
  5. Step 5: Solve for x
    x = 307,017,343,317,592.06/21,204,338.41
  6. Step 6: Final answer
    x = 14,478,987.15

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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.