Home / 20,753,118.66-31,148,568.44-11,045,881.33

Finding the Fourth Proportional to 20,753,118.66, 31,148,568.44 and 11,045,881.33

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Solution

The fourth proportional to 20,753,118.66, 31,148,568.44 and 11,045,881.33 is: 16,578,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753,118.66 : 31,148,568.44 = 11,045,881.33 : x
  2. Step 2: Convert to fraction form
    20,753,118.66/31,148,568.44 = 11,045,881.33/x
  3. Step 3: Cross multiply
    20,753,118.66x = 31,148,568.44 × 11,045,881.33
  4. Step 4: Simplify right side
    20,753,118.66x = 344,063,390,587,623.25
  5. Step 5: Solve for x
    x = 344,063,390,587,623.25/20,753,118.66
  6. Step 6: Final answer
    x = 16,578,876.47

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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.