Home / 10,515,619.20-15,764,680.80-4,455,004.80

Finding the Fourth Proportional to 10,515,619.20, 15,764,680.80 and 4,455,004.80

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Solution

The fourth proportional to 10,515,619.20, 15,764,680.80 and 4,455,004.80 is: 6,678,801.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,619.20 : 15,764,680.80 = 4,455,004.80 : x
  2. Step 2: Convert to fraction form
    10,515,619.20/15,764,680.80 = 4,455,004.80/x
  3. Step 3: Cross multiply
    10,515,619.20x = 15,764,680.80 × 4,455,004.80
  4. Step 4: Simplify right side
    10,515,619.20x = 70,231,728,634,467.84
  5. Step 5: Solve for x
    x = 70,231,728,634,467.84/10,515,619.20
  6. Step 6: Final answer
    x = 6,678,801.06

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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.