Home / 7,877,037.56-11,815,650.42-2,196,916.28

Finding the Fourth Proportional to 7,877,037.56, 11,815,650.42 and 2,196,916.28

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Solution

The fourth proportional to 7,877,037.56, 11,815,650.42 and 2,196,916.28 is: 3,295,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,037.56 : 11,815,650.42 = 2,196,916.28 : x
  2. Step 2: Convert to fraction form
    7,877,037.56/11,815,650.42 = 2,196,916.28/x
  3. Step 3: Cross multiply
    7,877,037.56x = 11,815,650.42 × 2,196,916.28
  4. Step 4: Simplify right side
    7,877,037.56x = 25,957,994,766,486.84
  5. Step 5: Solve for x
    x = 25,957,994,766,486.84/7,877,037.56
  6. Step 6: Final answer
    x = 3,295,400.66

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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.