Home / 12,900,934.23-17,803,284.09-7,099,715.97

Finding the Fourth Proportional to 12,900,934.23, 17,803,284.09 and 7,099,715.97

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Solution

The fourth proportional to 12,900,934.23, 17,803,284.09 and 7,099,715.97 is: 9,797,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,934.23 : 17,803,284.09 = 7,099,715.97 : x
  2. Step 2: Convert to fraction form
    12,900,934.23/17,803,284.09 = 7,099,715.97/x
  3. Step 3: Cross multiply
    12,900,934.23x = 17,803,284.09 × 7,099,715.97
  4. Step 4: Simplify right side
    12,900,934.23x = 126,398,260,372,219.91
  5. Step 5: Solve for x
    x = 126,398,260,372,219.91/12,900,934.23
  6. Step 6: Final answer
    x = 9,797,605.21

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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.