Home / 20,942,568.80-31,413,853.20-5,796,500.30

Finding the Fourth Proportional to 20,942,568.80, 31,413,853.20 and 5,796,500.30

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Solution

The fourth proportional to 20,942,568.80, 31,413,853.20 and 5,796,500.30 is: 8,694,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,942,568.80 : 31,413,853.20 = 5,796,500.30 : x
  2. Step 2: Convert to fraction form
    20,942,568.80/31,413,853.20 = 5,796,500.30/x
  3. Step 3: Cross multiply
    20,942,568.80x = 31,413,853.20 × 5,796,500.30
  4. Step 4: Simplify right side
    20,942,568.80x = 182,090,409,497,955.94
  5. Step 5: Solve for x
    x = 182,090,409,497,955.94/20,942,568.80
  6. Step 6: Final answer
    x = 8,694,750.45

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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.