Home / 15,285,618.63-21,086,113.86-9,086,255.82

Finding the Fourth Proportional to 15,285,618.63, 21,086,113.86 and 9,086,255.82

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Solution

The fourth proportional to 15,285,618.63, 21,086,113.86 and 9,086,255.82 is: 12,534,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,618.63 : 21,086,113.86 = 9,086,255.82 : x
  2. Step 2: Convert to fraction form
    15,285,618.63/21,086,113.86 = 9,086,255.82/x
  3. Step 3: Cross multiply
    15,285,618.63x = 21,086,113.86 × 9,086,255.82
  4. Step 4: Simplify right side
    15,285,618.63x = 191,593,824,781,607.66
  5. Step 5: Solve for x
    x = 191,593,824,781,607.66/15,285,618.63
  6. Step 6: Final answer
    x = 12,534,253.89

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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.