Home / 28,981,203.27-39,994,147.59-15,929,799.63

Finding the Fourth Proportional to 28,981,203.27, 39,994,147.59 and 15,929,799.63

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Solution

The fourth proportional to 28,981,203.27, 39,994,147.59 and 15,929,799.63 is: 21,983,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981,203.27 : 39,994,147.59 = 15,929,799.63 : x
  2. Step 2: Convert to fraction form
    28,981,203.27/39,994,147.59 = 15,929,799.63/x
  3. Step 3: Cross multiply
    28,981,203.27x = 39,994,147.59 × 15,929,799.63
  4. Step 4: Simplify right side
    28,981,203.27x = 637,098,757,481,347.50
  5. Step 5: Solve for x
    x = 637,098,757,481,347.50/28,981,203.27
  6. Step 6: Final answer
    x = 21,983,171.35

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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.