Home / 15,276,229.16-21,080,554.52-8,661,262.63

Finding the Fourth Proportional to 15,276,229.16, 21,080,554.52 and 8,661,262.63

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Solution

The fourth proportional to 15,276,229.16, 21,080,554.52 and 8,661,262.63 is: 11,952,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,229.16 : 21,080,554.52 = 8,661,262.63 : x
  2. Step 2: Convert to fraction form
    15,276,229.16/21,080,554.52 = 8,661,262.63/x
  3. Step 3: Cross multiply
    15,276,229.16x = 21,080,554.52 × 8,661,262.63
  4. Step 4: Simplify right side
    15,276,229.16x = 182,584,219,052,705.34
  5. Step 5: Solve for x
    x = 182,584,219,052,705.34/15,276,229.16
  6. Step 6: Final answer
    x = 11,952,178.59

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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.