Home / 12,128,222.48-16,717,005.96-8,597,201.36

Finding the Fourth Proportional to 12,128,222.48, 16,717,005.96 and 8,597,201.36

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Solution

The fourth proportional to 12,128,222.48, 16,717,005.96 and 8,597,201.36 is: 11,850,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,222.48 : 16,717,005.96 = 8,597,201.36 : x
  2. Step 2: Convert to fraction form
    12,128,222.48/16,717,005.96 = 8,597,201.36/x
  3. Step 3: Cross multiply
    12,128,222.48x = 16,717,005.96 × 8,597,201.36
  4. Step 4: Simplify right side
    12,128,222.48x = 143,719,466,374,440.09
  5. Step 5: Solve for x
    x = 143,719,466,374,440.09/12,128,222.48
  6. Step 6: Final answer
    x = 11,850,002.47

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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.