Home / 12,500,906.72-18,845,056.76-11,667,623.94

Finding the Fourth Proportional to 12,500,906.72, 18,845,056.76 and 11,667,623.94

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Solution

The fourth proportional to 12,500,906.72, 18,845,056.76 and 11,667,623.94 is: 17,588,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,906.72 : 18,845,056.76 = 11,667,623.94 : x
  2. Step 2: Convert to fraction form
    12,500,906.72/18,845,056.76 = 11,667,623.94/x
  3. Step 3: Cross multiply
    12,500,906.72x = 18,845,056.76 × 11,667,623.94
  4. Step 4: Simplify right side
    12,500,906.72x = 219,877,035,345,296.69
  5. Step 5: Solve for x
    x = 219,877,035,345,296.69/12,500,906.72
  6. Step 6: Final answer
    x = 17,588,886.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.