Home / 6,609,947.20-9,928,917.60-6,372,001.60

Finding the Fourth Proportional to 6,609,947.20, 9,928,917.60 and 6,372,001.60

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Solution

The fourth proportional to 6,609,947.20, 9,928,917.60 and 6,372,001.60 is: 9,571,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609,947.20 : 9,928,917.60 = 6,372,001.60 : x
  2. Step 2: Convert to fraction form
    6,609,947.20/9,928,917.60 = 6,372,001.60/x
  3. Step 3: Cross multiply
    6,609,947.20x = 9,928,917.60 × 6,372,001.60
  4. Step 4: Simplify right side
    6,609,947.20x = 63,267,078,833,468.16
  5. Step 5: Solve for x
    x = 63,267,078,833,468.16/6,609,947.20
  6. Step 6: Final answer
    x = 9,571,495.34

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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.