Home / 12,794,523.70-17,656,417.13-7,287,896.45

Finding the Fourth Proportional to 12,794,523.70, 17,656,417.13 and 7,287,896.45

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Solution

The fourth proportional to 12,794,523.70, 17,656,417.13 and 7,287,896.45 is: 10,057,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,523.70 : 17,656,417.13 = 7,287,896.45 : x
  2. Step 2: Convert to fraction form
    12,794,523.70/17,656,417.13 = 7,287,896.45/x
  3. Step 3: Cross multiply
    12,794,523.70x = 17,656,417.13 × 7,287,896.45
  4. Step 4: Simplify right side
    12,794,523.70x = 128,678,139,721,446.19
  5. Step 5: Solve for x
    x = 128,678,139,721,446.19/12,794,523.70
  6. Step 6: Final answer
    x = 10,057,282.53

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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.