Home / 20,114,440.10-30,171,660.15-4,968,371.60

Finding the Fourth Proportional to 20,114,440.10, 30,171,660.15 and 4,968,371.60

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Solution

The fourth proportional to 20,114,440.10, 30,171,660.15 and 4,968,371.60 is: 7,452,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114,440.10 : 30,171,660.15 = 4,968,371.60 : x
  2. Step 2: Convert to fraction form
    20,114,440.10/30,171,660.15 = 4,968,371.60/x
  3. Step 3: Cross multiply
    20,114,440.10x = 30,171,660.15 × 4,968,371.60
  4. Step 4: Simplify right side
    20,114,440.10x = 149,904,019,414,111.72
  5. Step 5: Solve for x
    x = 149,904,019,414,111.72/20,114,440.10
  6. Step 6: Final answer
    x = 7,452,557.40

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1.5x scale

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.