Home / 19,160,414.45-28,741,028.78-6,865,178.63

Finding the Fourth Proportional to 19,160,414.45, 28,741,028.78 and 6,865,178.63

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Solution

The fourth proportional to 19,160,414.45, 28,741,028.78 and 6,865,178.63 is: 10,297,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160,414.45 : 28,741,028.78 = 6,865,178.63 : x
  2. Step 2: Convert to fraction form
    19,160,414.45/28,741,028.78 = 6,865,178.63/x
  3. Step 3: Cross multiply
    19,160,414.45x = 28,741,028.78 × 6,865,178.63
  4. Step 4: Simplify right side
    19,160,414.45x = 197,312,296,432,384.34
  5. Step 5: Solve for x
    x = 197,312,296,432,384.34/19,160,414.45
  6. Step 6: Final answer
    x = 10,297,913.81

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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.