Home / 15,236,255.52-21,026,021.31-8,710,028.82

Finding the Fourth Proportional to 15,236,255.52, 21,026,021.31 and 8,710,028.82

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Solution

The fourth proportional to 15,236,255.52, 21,026,021.31 and 8,710,028.82 is: 12,019,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236,255.52 : 21,026,021.31 = 8,710,028.82 : x
  2. Step 2: Convert to fraction form
    15,236,255.52/21,026,021.31 = 8,710,028.82/x
  3. Step 3: Cross multiply
    15,236,255.52x = 21,026,021.31 × 8,710,028.82
  4. Step 4: Simplify right side
    15,236,255.52x = 183,137,251,580,034.16
  5. Step 5: Solve for x
    x = 183,137,251,580,034.16/15,236,255.52
  6. Step 6: Final answer
    x = 12,019,833.31

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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.