Home / 12,177,761.72-16,805,331.43-6,671,016.52

Finding the Fourth Proportional to 12,177,761.72, 16,805,331.43 and 6,671,016.52

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Solution

The fourth proportional to 12,177,761.72, 16,805,331.43 and 6,671,016.52 is: 9,206,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,761.72 : 16,805,331.43 = 6,671,016.52 : x
  2. Step 2: Convert to fraction form
    12,177,761.72/16,805,331.43 = 6,671,016.52/x
  3. Step 3: Cross multiply
    12,177,761.72x = 16,805,331.43 × 6,671,016.52
  4. Step 4: Simplify right side
    12,177,761.72x = 112,108,643,534,914.34
  5. Step 5: Solve for x
    x = 112,108,643,534,914.34/12,177,761.72
  6. Step 6: Final answer
    x = 9,206,013.89

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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.