Home / 31,925,972.80-47,888,959.20-19,160,891.20

Finding the Fourth Proportional to 31,925,972.80, 47,888,959.20 and 19,160,891.20

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Solution

The fourth proportional to 31,925,972.80, 47,888,959.20 and 19,160,891.20 is: 28,741,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,925,972.80 : 47,888,959.20 = 19,160,891.20 : x
  2. Step 2: Convert to fraction form
    31,925,972.80/47,888,959.20 = 19,160,891.20/x
  3. Step 3: Cross multiply
    31,925,972.80x = 47,888,959.20 × 19,160,891.20
  4. Step 4: Simplify right side
    31,925,972.80x = 917,595,136,912,439
  5. Step 5: Solve for x
    x = 917,595,136,912,439/31,925,972.80
  6. Step 6: Final answer
    x = 28,741,336.80

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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.