Home / 20,220,285-30,330,427.50-6,757,113

Finding the Fourth Proportional to 20,220,285, 30,330,427.50 and 6,757,113

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Solution

The fourth proportional to 20,220,285, 30,330,427.50 and 6,757,113 is: 10,135,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,285 : 30,330,427.50 = 6,757,113 : x
  2. Step 2: Convert to fraction form
    20,220,285/30,330,427.50 = 6,757,113/x
  3. Step 3: Cross multiply
    20,220,285x = 30,330,427.50 × 6,757,113
  4. Step 4: Simplify right side
    20,220,285x = 204,946,125,955,807.50
  5. Step 5: Solve for x
    x = 204,946,125,955,807.50/20,220,285
  6. Step 6: Final answer
    x = 10,135,669.50

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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.