Home / 8,119,043.67-11,200,028.90-5,020,578.62

Finding the Fourth Proportional to 8,119,043.67, 11,200,028.90 and 5,020,578.62

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Solution

The fourth proportional to 8,119,043.67, 11,200,028.90 and 5,020,578.62 is: 6,925,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,043.67 : 11,200,028.90 = 5,020,578.62 : x
  2. Step 2: Convert to fraction form
    8,119,043.67/11,200,028.90 = 5,020,578.62/x
  3. Step 3: Cross multiply
    8,119,043.67x = 11,200,028.90 × 5,020,578.62
  4. Step 4: Simplify right side
    8,119,043.67x = 56,230,625,638,722.12
  5. Step 5: Solve for x
    x = 56,230,625,638,722.12/8,119,043.67
  6. Step 6: Final answer
    x = 6,925,769.58

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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.