Home / 15,356,697.15-21,192,112.16-8,481,031.59

Finding the Fourth Proportional to 15,356,697.15, 21,192,112.16 and 8,481,031.59

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Solution

The fourth proportional to 15,356,697.15, 21,192,112.16 and 8,481,031.59 is: 11,703,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356,697.15 : 21,192,112.16 = 8,481,031.59 : x
  2. Step 2: Convert to fraction form
    15,356,697.15/21,192,112.16 = 8,481,031.59/x
  3. Step 3: Cross multiply
    15,356,697.15x = 21,192,112.16 × 8,481,031.59
  4. Step 4: Simplify right side
    15,356,697.15x = 179,730,972,804,358.06
  5. Step 5: Solve for x
    x = 179,730,972,804,358.06/15,356,697.15
  6. Step 6: Final answer
    x = 11,703,751.86

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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.