Home / 31,566,628.80-47,349,943.20-20,796,091.20

Finding the Fourth Proportional to 31,566,628.80, 47,349,943.20 and 20,796,091.20

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Solution

The fourth proportional to 31,566,628.80, 47,349,943.20 and 20,796,091.20 is: 31,194,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566,628.80 : 47,349,943.20 = 20,796,091.20 : x
  2. Step 2: Convert to fraction form
    31,566,628.80/47,349,943.20 = 20,796,091.20/x
  3. Step 3: Cross multiply
    31,566,628.80x = 47,349,943.20 × 20,796,091.20
  4. Step 4: Simplify right side
    31,566,628.80x = 984,693,737,102,019.88
  5. Step 5: Solve for x
    x = 984,693,737,102,019.88/31,566,628.80
  6. Step 6: Final answer
    x = 31,194,136.80

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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.