Home / 11,189,812.16-16,784,662.86-9,668,866.79

Finding the Fourth Proportional to 11,189,812.16, 16,784,662.86 and 9,668,866.79

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Solution

The fourth proportional to 11,189,812.16, 16,784,662.86 and 9,668,866.79 is: 14,503,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189,812.16 : 16,784,662.86 = 9,668,866.79 : x
  2. Step 2: Convert to fraction form
    11,189,812.16/16,784,662.86 = 9,668,866.79/x
  3. Step 3: Cross multiply
    11,189,812.16x = 16,784,662.86 × 9,668,866.79
  4. Step 4: Simplify right side
    11,189,812.16x = 162,288,669,350,362.09
  5. Step 5: Solve for x
    x = 162,288,669,350,362.09/11,189,812.16
  6. Step 6: Final answer
    x = 14,503,252.33

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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.