Home / 17,487,046.80-26,230,570.20-12,728,134.80

Finding the Fourth Proportional to 17,487,046.80, 26,230,570.20 and 12,728,134.80

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Solution

The fourth proportional to 17,487,046.80, 26,230,570.20 and 12,728,134.80 is: 19,092,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487,046.80 : 26,230,570.20 = 12,728,134.80 : x
  2. Step 2: Convert to fraction form
    17,487,046.80/26,230,570.20 = 12,728,134.80/x
  3. Step 3: Cross multiply
    17,487,046.80x = 26,230,570.20 × 12,728,134.80
  4. Step 4: Simplify right side
    17,487,046.80x = 333,866,233,386,463
  5. Step 5: Solve for x
    x = 333,866,233,386,463/17,487,046.80
  6. Step 6: Final answer
    x = 19,092,202.20

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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.