Home / 20,232,028.20-30,285,056.70-19,602,172.20

Finding the Fourth Proportional to 20,232,028.20, 30,285,056.70 and 19,602,172.20

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Solution

The fourth proportional to 20,232,028.20, 30,285,056.70 and 19,602,172.20 is: 29,342,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,028.20 : 30,285,056.70 = 19,602,172.20 : x
  2. Step 2: Convert to fraction form
    20,232,028.20/30,285,056.70 = 19,602,172.20/x
  3. Step 3: Cross multiply
    20,232,028.20x = 30,285,056.70 × 19,602,172.20
  4. Step 4: Simplify right side
    20,232,028.20x = 593,652,896,520,163.75
  5. Step 5: Solve for x
    x = 593,652,896,520,163.75/20,232,028.20
  6. Step 6: Final answer
    x = 29,342,233.54

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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.