Home / 12,731,503.85-17,536,006.77-9,785,687.63

Finding the Fourth Proportional to 12,731,503.85, 17,536,006.77 and 9,785,687.63

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Solution

The fourth proportional to 12,731,503.85, 17,536,006.77 and 9,785,687.63 is: 13,478,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,503.85 : 17,536,006.77 = 9,785,687.63 : x
  2. Step 2: Convert to fraction form
    12,731,503.85/17,536,006.77 = 9,785,687.63/x
  3. Step 3: Cross multiply
    12,731,503.85x = 17,536,006.77 × 9,785,687.63
  4. Step 4: Simplify right side
    12,731,503.85x = 171,601,884,441,105.22
  5. Step 5: Solve for x
    x = 171,601,884,441,105.22/12,731,503.85
  6. Step 6: Final answer
    x = 13,478,524.34

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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.