Home / 13,469,840.53-18,588,396.78-7,668,622.15

Finding the Fourth Proportional to 13,469,840.53, 18,588,396.78 and 7,668,622.15

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Solution

The fourth proportional to 13,469,840.53, 18,588,396.78 and 7,668,622.15 is: 10,582,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,840.53 : 18,588,396.78 = 7,668,622.15 : x
  2. Step 2: Convert to fraction form
    13,469,840.53/18,588,396.78 = 7,668,622.15/x
  3. Step 3: Cross multiply
    13,469,840.53x = 18,588,396.78 × 7,668,622.15
  4. Step 4: Simplify right side
    13,469,840.53x = 142,547,391,233,625.69
  5. Step 5: Solve for x
    x = 142,547,391,233,625.69/13,469,840.53
  6. Step 6: Final answer
    x = 10,582,708.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.