Home / 10,638,429.14-15,959,885.80-3,449,402.66

Finding the Fourth Proportional to 10,638,429.14, 15,959,885.80 and 3,449,402.66

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Solution

The fourth proportional to 10,638,429.14, 15,959,885.80 and 3,449,402.66 is: 5,174,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,429.14 : 15,959,885.80 = 3,449,402.66 : x
  2. Step 2: Convert to fraction form
    10,638,429.14/15,959,885.80 = 3,449,402.66/x
  3. Step 3: Cross multiply
    10,638,429.14x = 15,959,885.80 × 3,449,402.66
  4. Step 4: Simplify right side
    10,638,429.14x = 55,052,072,531,816.23
  5. Step 5: Solve for x
    x = 55,052,072,531,816.23/10,638,429.14
  6. Step 6: Final answer
    x = 5,174,830.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.