Home / 13,469,845.52-18,588,403.68-7,668,627.14

Finding the Fourth Proportional to 13,469,845.52, 18,588,403.68 and 7,668,627.14

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Solution

The fourth proportional to 13,469,845.52, 18,588,403.68 and 7,668,627.14 is: 10,582,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,845.52 : 18,588,403.68 = 7,668,627.14 : x
  2. Step 2: Convert to fraction form
    13,469,845.52/18,588,403.68 = 7,668,627.14/x
  3. Step 3: Cross multiply
    13,469,845.52x = 18,588,403.68 × 7,668,627.14
  4. Step 4: Simplify right side
    13,469,845.52x = 142,547,536,949,723.88
  5. Step 5: Solve for x
    x = 142,547,536,949,723.88/13,469,845.52
  6. Step 6: Final answer
    x = 10,582,715.05

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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.