Home / 31,288,600.80-46,932,901.20-19,809,475.20

Finding the Fourth Proportional to 31,288,600.80, 46,932,901.20 and 19,809,475.20

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Solution

The fourth proportional to 31,288,600.80, 46,932,901.20 and 19,809,475.20 is: 29,714,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288,600.80 : 46,932,901.20 = 19,809,475.20 : x
  2. Step 2: Convert to fraction form
    31,288,600.80/46,932,901.20 = 19,809,475.20/x
  3. Step 3: Cross multiply
    31,288,600.80x = 46,932,901.20 × 19,809,475.20
  4. Step 4: Simplify right side
    31,288,600.80x = 929,716,142,385,450.25
  5. Step 5: Solve for x
    x = 929,716,142,385,450.25/31,288,600.80
  6. Step 6: Final answer
    x = 29,714,212.80

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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.