Home / 12,777,884.44-17,631,400.68-7,550,165.70

Finding the Fourth Proportional to 12,777,884.44, 17,631,400.68 and 7,550,165.70

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Solution

The fourth proportional to 12,777,884.44, 17,631,400.68 and 7,550,165.70 is: 10,417,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,884.44 : 17,631,400.68 = 7,550,165.70 : x
  2. Step 2: Convert to fraction form
    12,777,884.44/17,631,400.68 = 7,550,165.70/x
  3. Step 3: Cross multiply
    12,777,884.44x = 17,631,400.68 × 7,550,165.70
  4. Step 4: Simplify right side
    12,777,884.44x = 133,119,996,657,092.67
  5. Step 5: Solve for x
    x = 133,119,996,657,092.67/12,777,884.44
  6. Step 6: Final answer
    x = 10,417,999.73

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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.