Home / 12,028,549.20-18,048,007.80-6,984,171.60

Finding the Fourth Proportional to 12,028,549.20, 18,048,007.80 and 6,984,171.60

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Solution

The fourth proportional to 12,028,549.20, 18,048,007.80 and 6,984,171.60 is: 10,479,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028,549.20 : 18,048,007.80 = 6,984,171.60 : x
  2. Step 2: Convert to fraction form
    12,028,549.20/18,048,007.80 = 6,984,171.60/x
  3. Step 3: Cross multiply
    12,028,549.20x = 18,048,007.80 × 6,984,171.60
  4. Step 4: Simplify right side
    12,028,549.20x = 126,050,383,513,338.48
  5. Step 5: Solve for x
    x = 126,050,383,513,338.48/12,028,549.20
  6. Step 6: Final answer
    x = 10,479,267.40

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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.