Home / 10,929,381.40-16,404,569.70-5,544,112.60

Finding the Fourth Proportional to 10,929,381.40, 16,404,569.70 and 5,544,112.60

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Solution

The fourth proportional to 10,929,381.40, 16,404,569.70 and 5,544,112.60 is: 8,321,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929,381.40 : 16,404,569.70 = 5,544,112.60 : x
  2. Step 2: Convert to fraction form
    10,929,381.40/16,404,569.70 = 5,544,112.60/x
  3. Step 3: Cross multiply
    10,929,381.40x = 16,404,569.70 × 5,544,112.60
  4. Step 4: Simplify right side
    10,929,381.40x = 90,948,781,571,348.20
  5. Step 5: Solve for x
    x = 90,948,781,571,348.20/10,929,381.40
  6. Step 6: Final answer
    x = 8,321,493.98

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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.