Home / 12,237,654.84-16,887,997.32-6,731,593.78

Finding the Fourth Proportional to 12,237,654.84, 16,887,997.32 and 6,731,593.78

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Solution

The fourth proportional to 12,237,654.84, 16,887,997.32 and 6,731,593.78 is: 9,289,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237,654.84 : 16,887,997.32 = 6,731,593.78 : x
  2. Step 2: Convert to fraction form
    12,237,654.84/16,887,997.32 = 6,731,593.78/x
  3. Step 3: Cross multiply
    12,237,654.84x = 16,887,997.32 × 6,731,593.78
  4. Step 4: Simplify right side
    12,237,654.84x = 113,683,137,715,968.67
  5. Step 5: Solve for x
    x = 113,683,137,715,968.67/12,237,654.84
  6. Step 6: Final answer
    x = 9,289,617.92

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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.