Home / 13,739,845.92-18,960,246.88-7,627,880.64

Finding the Fourth Proportional to 13,739,845.92, 18,960,246.88 and 7,627,880.64

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Solution

The fourth proportional to 13,739,845.92, 18,960,246.88 and 7,627,880.64 is: 10,526,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,845.92 : 18,960,246.88 = 7,627,880.64 : x
  2. Step 2: Convert to fraction form
    13,739,845.92/18,960,246.88 = 7,627,880.64/x
  3. Step 3: Cross multiply
    13,739,845.92x = 18,960,246.88 × 7,627,880.64
  4. Step 4: Simplify right side
    13,739,845.92x = 144,626,500,105,572.38
  5. Step 5: Solve for x
    x = 144,626,500,105,572.38/13,739,845.92
  6. Step 6: Final answer
    x = 10,526,064.19

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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.