Home / 13,469,843.90-18,588,401.44-7,668,625.52

Finding the Fourth Proportional to 13,469,843.90, 18,588,401.44 and 7,668,625.52

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Solution

The fourth proportional to 13,469,843.90, 18,588,401.44 and 7,668,625.52 is: 10,582,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,843.90 : 18,588,401.44 = 7,668,625.52 : x
  2. Step 2: Convert to fraction form
    13,469,843.90/18,588,401.44 = 7,668,625.52/x
  3. Step 3: Cross multiply
    13,469,843.90x = 18,588,401.44 × 7,668,625.52
  4. Step 4: Simplify right side
    13,469,843.90x = 142,547,489,686,088.19
  5. Step 5: Solve for x
    x = 142,547,489,686,088.19/13,469,843.90
  6. Step 6: Final answer
    x = 10,582,712.82

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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.