Home / 19,015,396.92-28,512,772.74-8,634,916.24

Finding the Fourth Proportional to 19,015,396.92, 28,512,772.74 and 8,634,916.24

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Solution

The fourth proportional to 19,015,396.92, 28,512,772.74 and 8,634,916.24 is: 12,947,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015,396.92 : 28,512,772.74 = 8,634,916.24 : x
  2. Step 2: Convert to fraction form
    19,015,396.92/28,512,772.74 = 8,634,916.24/x
  3. Step 3: Cross multiply
    19,015,396.92x = 28,512,772.74 × 8,634,916.24
  4. Step 4: Simplify right side
    19,015,396.92x = 246,205,404,380,055.28
  5. Step 5: Solve for x
    x = 246,205,404,380,055.28/19,015,396.92
  6. Step 6: Final answer
    x = 12,947,686.84

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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.