Home / 11,589,905.40-17,387,190.90-9,709,668.60

Finding the Fourth Proportional to 11,589,905.40, 17,387,190.90 and 9,709,668.60

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Solution

The fourth proportional to 11,589,905.40, 17,387,190.90 and 9,709,668.60 is: 14,566,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589,905.40 : 17,387,190.90 = 9,709,668.60 : x
  2. Step 2: Convert to fraction form
    11,589,905.40/17,387,190.90 = 9,709,668.60/x
  3. Step 3: Cross multiply
    11,589,905.40x = 17,387,190.90 × 9,709,668.60
  4. Step 4: Simplify right side
    11,589,905.40x = 168,823,861,523,935.72
  5. Step 5: Solve for x
    x = 168,823,861,523,935.72/11,589,905.40
  6. Step 6: Final answer
    x = 14,566,457.25

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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.