Home / 31,589,705.80-47,384,559.56-8,560,639.48

Finding the Fourth Proportional to 31,589,705.80, 47,384,559.56 and 8,560,639.48

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Solution

The fourth proportional to 31,589,705.80, 47,384,559.56 and 8,560,639.48 is: 12,840,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,705.80 : 47,384,559.56 = 8,560,639.48 : x
  2. Step 2: Convert to fraction form
    31,589,705.80/47,384,559.56 = 8,560,639.48/x
  3. Step 3: Cross multiply
    31,589,705.80x = 47,384,559.56 × 8,560,639.48
  4. Step 4: Simplify right side
    31,589,705.80x = 405,642,131,255,380
  5. Step 5: Solve for x
    x = 405,642,131,255,380/31,589,705.80
  6. Step 6: Final answer
    x = 12,840,959.45

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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.