Home / 10,872,087.40-16,289,468.70-7,083,620.20

Finding the Fourth Proportional to 10,872,087.40, 16,289,468.70 and 7,083,620.20

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Solution

The fourth proportional to 10,872,087.40, 16,289,468.70 and 7,083,620.20 is: 10,613,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,087.40 : 16,289,468.70 = 7,083,620.20 : x
  2. Step 2: Convert to fraction form
    10,872,087.40/16,289,468.70 = 7,083,620.20/x
  3. Step 3: Cross multiply
    10,872,087.40x = 16,289,468.70 × 7,083,620.20
  4. Step 4: Simplify right side
    10,872,087.40x = 115,388,409,530,587.73
  5. Step 5: Solve for x
    x = 115,388,409,530,587.73/10,872,087.40
  6. Step 6: Final answer
    x = 10,613,270.96

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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.