Home / 28,192,456.80-42,288,685.20-16,855,048.80

Finding the Fourth Proportional to 28,192,456.80, 42,288,685.20 and 16,855,048.80

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Solution

The fourth proportional to 28,192,456.80, 42,288,685.20 and 16,855,048.80 is: 25,282,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,456.80 : 42,288,685.20 = 16,855,048.80 : x
  2. Step 2: Convert to fraction form
    28,192,456.80/42,288,685.20 = 16,855,048.80/x
  3. Step 3: Cross multiply
    28,192,456.80x = 42,288,685.20 × 16,855,048.80
  4. Step 4: Simplify right side
    28,192,456.80x = 712,777,852,733,837.88
  5. Step 5: Solve for x
    x = 712,777,852,733,837.88/28,192,456.80
  6. Step 6: Final answer
    x = 25,282,573.20

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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.