Home / 6,631,999.20-9,947,998.80-2,372,306.40

Finding the Fourth Proportional to 6,631,999.20, 9,947,998.80 and 2,372,306.40

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Solution

The fourth proportional to 6,631,999.20, 9,947,998.80 and 2,372,306.40 is: 3,558,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,999.20 : 9,947,998.80 = 2,372,306.40 : x
  2. Step 2: Convert to fraction form
    6,631,999.20/9,947,998.80 = 2,372,306.40/x
  3. Step 3: Cross multiply
    6,631,999.20x = 9,947,998.80 × 2,372,306.40
  4. Step 4: Simplify right side
    6,631,999.20x = 23,599,701,220,432.32
  5. Step 5: Solve for x
    x = 23,599,701,220,432.32/6,631,999.20
  6. Step 6: Final answer
    x = 3,558,459.60

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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.