Home / 7,142,002.46-9,857,532.70-4,694,839.57

Finding the Fourth Proportional to 7,142,002.46, 9,857,532.70 and 4,694,839.57

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Solution

The fourth proportional to 7,142,002.46, 9,857,532.70 and 4,694,839.57 is: 6,479,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,002.46 : 9,857,532.70 = 4,694,839.57 : x
  2. Step 2: Convert to fraction form
    7,142,002.46/9,857,532.70 = 4,694,839.57/x
  3. Step 3: Cross multiply
    7,142,002.46x = 9,857,532.70 × 4,694,839.57
  4. Step 4: Simplify right side
    7,142,002.46x = 46,279,534,582,528.94
  5. Step 5: Solve for x
    x = 46,279,534,582,528.94/7,142,002.46
  6. Step 6: Final answer
    x = 6,479,910.20

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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.