Home / 28,671,983.80-39,567,320.20-15,794,927.80

Finding the Fourth Proportional to 28,671,983.80, 39,567,320.20 and 15,794,927.80

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Solution

The fourth proportional to 28,671,983.80, 39,567,320.20 and 15,794,927.80 is: 21,796,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,671,983.80 : 39,567,320.20 = 15,794,927.80 : x
  2. Step 2: Convert to fraction form
    28,671,983.80/39,567,320.20 = 15,794,927.80/x
  3. Step 3: Cross multiply
    28,671,983.80x = 39,567,320.20 × 15,794,927.80
  4. Step 4: Simplify right side
    28,671,983.80x = 624,962,965,798,481.62
  5. Step 5: Solve for x
    x = 624,962,965,798,481.62/28,671,983.80
  6. Step 6: Final answer
    x = 21,796,990.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.