Home / 31,567,204.80-47,350,807.20-20,796,667.20

Finding the Fourth Proportional to 31,567,204.80, 47,350,807.20 and 20,796,667.20

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Solution

The fourth proportional to 31,567,204.80, 47,350,807.20 and 20,796,667.20 is: 31,195,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567,204.80 : 47,350,807.20 = 20,796,667.20 : x
  2. Step 2: Convert to fraction form
    31,567,204.80/47,350,807.20 = 20,796,667.20/x
  3. Step 3: Cross multiply
    31,567,204.80x = 47,350,807.20 × 20,796,667.20
  4. Step 4: Simplify right side
    31,567,204.80x = 984,738,978,989,763.88
  5. Step 5: Solve for x
    x = 984,738,978,989,763.88/31,567,204.80
  6. Step 6: Final answer
    x = 31,195,000.80

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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.