Home / 20,752,663.89-31,104,229.83-9,658,806.86

Finding the Fourth Proportional to 20,752,663.89, 31,104,229.83 and 9,658,806.86

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Solution

The fourth proportional to 20,752,663.89, 31,104,229.83 and 9,658,806.86 is: 14,476,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752,663.89 : 31,104,229.83 = 9,658,806.86 : x
  2. Step 2: Convert to fraction form
    20,752,663.89/31,104,229.83 = 9,658,806.86/x
  3. Step 3: Cross multiply
    20,752,663.89x = 31,104,229.83 × 9,658,806.86
  4. Step 4: Simplify right side
    20,752,663.89x = 300,429,748,552,891.50
  5. Step 5: Solve for x
    x = 300,429,748,552,891.50/20,752,663.89
  6. Step 6: Final answer
    x = 14,476,683.58

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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.