Home / 7,725,878.90-11,600,194.50-4,320,836.76

Finding the Fourth Proportional to 7,725,878.90, 11,600,194.50 and 4,320,836.76

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Solution

The fourth proportional to 7,725,878.90, 11,600,194.50 and 4,320,836.76 is: 6,487,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725,878.90 : 11,600,194.50 = 4,320,836.76 : x
  2. Step 2: Convert to fraction form
    7,725,878.90/11,600,194.50 = 4,320,836.76/x
  3. Step 3: Cross multiply
    7,725,878.90x = 11,600,194.50 × 4,320,836.76
  4. Step 4: Simplify right side
    7,725,878.90x = 50,122,546,874,400.74
  5. Step 5: Solve for x
    x = 50,122,546,874,400.74/7,725,878.90
  6. Step 6: Final answer
    x = 6,487,617.47

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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.