Home / 13,694,269-18,897,860.22-7,582,566.28

Finding the Fourth Proportional to 13,694,269, 18,897,860.22 and 7,582,566.28

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Solution

The fourth proportional to 13,694,269, 18,897,860.22 and 7,582,566.28 is: 10,463,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,269 : 18,897,860.22 = 7,582,566.28 : x
  2. Step 2: Convert to fraction form
    13,694,269/18,897,860.22 = 7,582,566.28/x
  3. Step 3: Cross multiply
    13,694,269x = 18,897,860.22 × 7,582,566.28
  4. Step 4: Simplify right side
    13,694,269x = 143,294,277,668,325.38
  5. Step 5: Solve for x
    x = 143,294,277,668,325.38/13,694,269
  6. Step 6: Final answer
    x = 10,463,813.56

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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.