Home / 20,669,532.25-28,523,728.14-11,376,903.64

Finding the Fourth Proportional to 20,669,532.25, 28,523,728.14 and 11,376,903.64

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Solution

The fourth proportional to 20,669,532.25, 28,523,728.14 and 11,376,903.64 is: 15,700,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,669,532.25 : 28,523,728.14 = 11,376,903.64 : x
  2. Step 2: Convert to fraction form
    20,669,532.25/28,523,728.14 = 11,376,903.64/x
  3. Step 3: Cross multiply
    20,669,532.25x = 28,523,728.14 × 11,376,903.64
  4. Step 4: Simplify right side
    20,669,532.25x = 324,511,706,445,451.94
  5. Step 5: Solve for x
    x = 324,511,706,445,451.94/20,669,532.25
  6. Step 6: Final answer
    x = 15,700,002.42

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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.