Home / 6,253,869.33-8,629,112.30-3,929,415.03

Finding the Fourth Proportional to 6,253,869.33, 8,629,112.30 and 3,929,415.03

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Solution

The fourth proportional to 6,253,869.33, 8,629,112.30 and 3,929,415.03 is: 5,421,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253,869.33 : 8,629,112.30 = 3,929,415.03 : x
  2. Step 2: Convert to fraction form
    6,253,869.33/8,629,112.30 = 3,929,415.03/x
  3. Step 3: Cross multiply
    6,253,869.33x = 8,629,112.30 × 3,929,415.03
  4. Step 4: Simplify right side
    6,253,869.33x = 33,907,363,547,530.79
  5. Step 5: Solve for x
    x = 33,907,363,547,530.79/6,253,869.33
  6. Step 6: Final answer
    x = 5,421,821.56

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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.