Home / 10,515,571.20-15,760,915.20-4,450,291.20

Finding the Fourth Proportional to 10,515,571.20, 15,760,915.20 and 4,450,291.20

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Solution

The fourth proportional to 10,515,571.20, 15,760,915.20 and 4,450,291.20 is: 6,670,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,571.20 : 15,760,915.20 = 4,450,291.20 : x
  2. Step 2: Convert to fraction form
    10,515,571.20/15,760,915.20 = 4,450,291.20/x
  3. Step 3: Cross multiply
    10,515,571.20x = 15,760,915.20 × 4,450,291.20
  4. Step 4: Simplify right side
    10,515,571.20x = 70,140,662,218,506.24
  5. Step 5: Solve for x
    x = 70,140,662,218,506.24/10,515,571.20
  6. Step 6: Final answer
    x = 6,670,171.39

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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.