Home / 31,566,630.80-47,349,946.20-20,796,093.20

Finding the Fourth Proportional to 31,566,630.80, 47,349,946.20 and 20,796,093.20

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Solution

The fourth proportional to 31,566,630.80, 47,349,946.20 and 20,796,093.20 is: 31,194,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566,630.80 : 47,349,946.20 = 20,796,093.20 : x
  2. Step 2: Convert to fraction form
    31,566,630.80/47,349,946.20 = 20,796,093.20/x
  3. Step 3: Cross multiply
    31,566,630.80x = 47,349,946.20 × 20,796,093.20
  4. Step 4: Simplify right side
    31,566,630.80x = 984,693,894,190,185.88
  5. Step 5: Solve for x
    x = 984,693,894,190,185.88/31,566,630.80
  6. Step 6: Final answer
    x = 31,194,139.80

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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.