Home / 12,123,818.88-16,730,835.84-6,691,272

Finding the Fourth Proportional to 12,123,818.88, 16,730,835.84 and 6,691,272

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Solution

The fourth proportional to 12,123,818.88, 16,730,835.84 and 6,691,272 is: 9,233,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,818.88 : 16,730,835.84 = 6,691,272 : x
  2. Step 2: Convert to fraction form
    12,123,818.88/16,730,835.84 = 6,691,272/x
  3. Step 3: Cross multiply
    12,123,818.88x = 16,730,835.84 × 6,691,272
  4. Step 4: Simplify right side
    12,123,818.88x = 111,950,573,392,788.48
  5. Step 5: Solve for x
    x = 111,950,573,392,788.48/12,123,818.88
  6. Step 6: Final answer
    x = 9,233,936.48

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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.