Home / 28,192,611.80-42,288,917.70-16,855,203.80

Finding the Fourth Proportional to 28,192,611.80, 42,288,917.70 and 16,855,203.80

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Solution

The fourth proportional to 28,192,611.80, 42,288,917.70 and 16,855,203.80 is: 25,282,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192,611.80 : 42,288,917.70 = 16,855,203.80 : x
  2. Step 2: Convert to fraction form
    28,192,611.80/42,288,917.70 = 16,855,203.80/x
  3. Step 3: Cross multiply
    28,192,611.80x = 42,288,917.70 × 16,855,203.80
  4. Step 4: Simplify right side
    28,192,611.80x = 712,788,326,314,927.38
  5. Step 5: Solve for x
    x = 712,788,326,314,927.38/28,192,611.80
  6. Step 6: Final answer
    x = 25,282,805.70

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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.