Home / 15,115,601.70-20,692,643.58-15,007,542.03

Finding the Fourth Proportional to 15,115,601.70, 20,692,643.58 and 15,007,542.03

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Solution

The fourth proportional to 15,115,601.70, 20,692,643.58 and 15,007,542.03 is: 20,544,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115,601.70 : 20,692,643.58 = 15,007,542.03 : x
  2. Step 2: Convert to fraction form
    15,115,601.70/20,692,643.58 = 15,007,542.03/x
  3. Step 3: Cross multiply
    15,115,601.70x = 20,692,643.58 × 15,007,542.03
  4. Step 4: Simplify right side
    15,115,601.70x = 310,545,718,238,659.62
  5. Step 5: Solve for x
    x = 310,545,718,238,659.62/15,115,601.70
  6. Step 6: Final answer
    x = 20,544,714.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.