Home / 19,015,395.92-28,512,771.24-8,634,915.24

Finding the Fourth Proportional to 19,015,395.92, 28,512,771.24 and 8,634,915.24

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Solution

The fourth proportional to 19,015,395.92, 28,512,771.24 and 8,634,915.24 is: 12,947,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015,395.92 : 28,512,771.24 = 8,634,915.24 : x
  2. Step 2: Convert to fraction form
    19,015,395.92/28,512,771.24 = 8,634,915.24/x
  3. Step 3: Cross multiply
    19,015,395.92x = 28,512,771.24 × 8,634,915.24
  4. Step 4: Simplify right side
    19,015,395.92x = 246,205,362,914,909.69
  5. Step 5: Solve for x
    x = 246,205,362,914,909.69/19,015,395.92
  6. Step 6: Final answer
    x = 12,947,685.34

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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.