Home / 21,367,406.52-29,487,046.86-11,577,843

Finding the Fourth Proportional to 21,367,406.52, 29,487,046.86 and 11,577,843

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Solution

The fourth proportional to 21,367,406.52, 29,487,046.86 and 11,577,843 is: 15,977,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,406.52 : 29,487,046.86 = 11,577,843 : x
  2. Step 2: Convert to fraction form
    21,367,406.52/29,487,046.86 = 11,577,843/x
  3. Step 3: Cross multiply
    21,367,406.52x = 29,487,046.86 × 11,577,843
  4. Step 4: Simplify right side
    21,367,406.52x = 341,396,399,078,723
  5. Step 5: Solve for x
    x = 341,396,399,078,723/21,367,406.52
  6. Step 6: Final answer
    x = 15,977,437.35

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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.