Home / 12,856,190.32-19,284,233.53-4,656,913.46

Finding the Fourth Proportional to 12,856,190.32, 19,284,233.53 and 4,656,913.46

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Solution

The fourth proportional to 12,856,190.32, 19,284,233.53 and 4,656,913.46 is: 6,985,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,190.32 : 19,284,233.53 = 4,656,913.46 : x
  2. Step 2: Convert to fraction form
    12,856,190.32/19,284,233.53 = 4,656,913.46/x
  3. Step 3: Cross multiply
    12,856,190.32x = 19,284,233.53 × 4,656,913.46
  4. Step 4: Simplify right side
    12,856,190.32x = 89,805,006,691,640.31
  5. Step 5: Solve for x
    x = 89,805,006,691,640.31/12,856,190.32
  6. Step 6: Final answer
    x = 6,985,351.37

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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.