Home / 12,983,769.78-17,904,333.30-8,633,564.34

Finding the Fourth Proportional to 12,983,769.78, 17,904,333.30 and 8,633,564.34

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Solution

The fourth proportional to 12,983,769.78, 17,904,333.30 and 8,633,564.34 is: 11,905,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,769.78 : 17,904,333.30 = 8,633,564.34 : x
  2. Step 2: Convert to fraction form
    12,983,769.78/17,904,333.30 = 8,633,564.34/x
  3. Step 3: Cross multiply
    12,983,769.78x = 17,904,333.30 × 8,633,564.34
  4. Step 4: Simplify right side
    12,983,769.78x = 154,578,213,510,354.53
  5. Step 5: Solve for x
    x = 154,578,213,510,354.53/12,983,769.78
  6. Step 6: Final answer
    x = 11,905,495.56

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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.