Home / 38,310,885.38-52,869,007.98-20,907,230.64

Finding the Fourth Proportional to 38,310,885.38, 52,869,007.98 and 20,907,230.64

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Solution

The fourth proportional to 38,310,885.38, 52,869,007.98 and 20,907,230.64 is: 28,851,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310,885.38 : 52,869,007.98 = 20,907,230.64 : x
  2. Step 2: Convert to fraction form
    38,310,885.38/52,869,007.98 = 20,907,230.64/x
  3. Step 3: Cross multiply
    38,310,885.38x = 52,869,007.98 × 20,907,230.64
  4. Step 4: Simplify right side
    38,310,885.38x = 1,105,344,543,545,860.50
  5. Step 5: Solve for x
    x = 1,105,344,543,545,860.50/38,310,885.38
  6. Step 6: Final answer
    x = 28,851,970.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.