Home / 20,743,215.90-31,114,823.85-5,597,123.10

Finding the Fourth Proportional to 20,743,215.90, 31,114,823.85 and 5,597,123.10

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Solution

The fourth proportional to 20,743,215.90, 31,114,823.85 and 5,597,123.10 is: 8,395,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,215.90 : 31,114,823.85 = 5,597,123.10 : x
  2. Step 2: Convert to fraction form
    20,743,215.90/31,114,823.85 = 5,597,123.10/x
  3. Step 3: Cross multiply
    20,743,215.90x = 31,114,823.85 × 5,597,123.10
  4. Step 4: Simplify right side
    20,743,215.90x = 174,153,499,323,265.94
  5. Step 5: Solve for x
    x = 174,153,499,323,265.94/20,743,215.90
  6. Step 6: Final answer
    x = 8,395,684.65

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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.