Home / 31,285,323.20-46,969,975.20-19,975,908.80

Finding the Fourth Proportional to 31,285,323.20, 46,969,975.20 and 19,975,908.80

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Solution

The fourth proportional to 31,285,323.20, 46,969,975.20 and 19,975,908.80 is: 29,990,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285,323.20 : 46,969,975.20 = 19,975,908.80 : x
  2. Step 2: Convert to fraction form
    31,285,323.20/46,969,975.20 = 19,975,908.80/x
  3. Step 3: Cross multiply
    31,285,323.20x = 46,969,975.20 × 19,975,908.80
  4. Step 4: Simplify right side
    31,285,323.20x = 938,267,940,933,461.88
  5. Step 5: Solve for x
    x = 938,267,940,933,461.88/31,285,323.20
  6. Step 6: Final answer
    x = 29,990,674.38

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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.