Home / 13,582,172-18,746,059.92-7,784,839.44

Finding the Fourth Proportional to 13,582,172, 18,746,059.92 and 7,784,839.44

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Solution

The fourth proportional to 13,582,172, 18,746,059.92 and 7,784,839.44 is: 10,744,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,172 : 18,746,059.92 = 7,784,839.44 : x
  2. Step 2: Convert to fraction form
    13,582,172/18,746,059.92 = 7,784,839.44/x
  3. Step 3: Cross multiply
    13,582,172x = 18,746,059.92 × 7,784,839.44
  4. Step 4: Simplify right side
    13,582,172x = 145,935,066,609,819.28
  5. Step 5: Solve for x
    x = 145,935,066,609,819.28/13,582,172
  6. Step 6: Final answer
    x = 10,744,604.52

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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.