Home / 12,794,523.45-17,656,416.79-7,287,896.20

Finding the Fourth Proportional to 12,794,523.45, 17,656,416.79 and 7,287,896.20

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Solution

The fourth proportional to 12,794,523.45, 17,656,416.79 and 7,287,896.20 is: 10,057,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,523.45 : 17,656,416.79 = 7,287,896.20 : x
  2. Step 2: Convert to fraction form
    12,794,523.45/17,656,416.79 = 7,287,896.20/x
  3. Step 3: Cross multiply
    12,794,523.45x = 17,656,416.79 × 7,287,896.20
  4. Step 4: Simplify right side
    12,794,523.45x = 128,678,132,767,096.42
  5. Step 5: Solve for x
    x = 128,678,132,767,096.42/12,794,523.45
  6. Step 6: Final answer
    x = 10,057,282.19

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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.