Home / 7,726,629.50-10,662,214.98-4,288,599.86

Finding the Fourth Proportional to 7,726,629.50, 10,662,214.98 and 4,288,599.86

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Solution

The fourth proportional to 7,726,629.50, 10,662,214.98 and 4,288,599.86 is: 5,917,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726,629.50 : 10,662,214.98 = 4,288,599.86 : x
  2. Step 2: Convert to fraction form
    7,726,629.50/10,662,214.98 = 4,288,599.86/x
  3. Step 3: Cross multiply
    7,726,629.50x = 10,662,214.98 × 4,288,599.86
  4. Step 4: Simplify right side
    7,726,629.50x = 45,725,973,670,517.91
  5. Step 5: Solve for x
    x = 45,725,973,670,517.91/7,726,629.50
  6. Step 6: Final answer
    x = 5,917,971.56

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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.