Home / 15,285,883.52-21,094,084.32-8,410,370.24

Finding the Fourth Proportional to 15,285,883.52, 21,094,084.32 and 8,410,370.24

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Solution

The fourth proportional to 15,285,883.52, 21,094,084.32 and 8,410,370.24 is: 11,606,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,883.52 : 21,094,084.32 = 8,410,370.24 : x
  2. Step 2: Convert to fraction form
    15,285,883.52/21,094,084.32 = 8,410,370.24/x
  3. Step 3: Cross multiply
    15,285,883.52x = 21,094,084.32 × 8,410,370.24
  4. Step 4: Simplify right side
    15,285,883.52x = 177,409,059,004,978.66
  5. Step 5: Solve for x
    x = 177,409,059,004,978.66/15,285,883.52
  6. Step 6: Final answer
    x = 11,606,071.63

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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.