Home / 13,890,800.43-19,165,842.14-8,012,231.91

Finding the Fourth Proportional to 13,890,800.43, 19,165,842.14 and 8,012,231.91

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Solution

The fourth proportional to 13,890,800.43, 19,165,842.14 and 8,012,231.91 is: 11,054,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,800.43 : 19,165,842.14 = 8,012,231.91 : x
  2. Step 2: Convert to fraction form
    13,890,800.43/19,165,842.14 = 8,012,231.91/x
  3. Step 3: Cross multiply
    13,890,800.43x = 19,165,842.14 × 8,012,231.91
  4. Step 4: Simplify right side
    13,890,800.43x = 153,561,171,936,069.53
  5. Step 5: Solve for x
    x = 153,561,171,936,069.53/13,890,800.43
  6. Step 6: Final answer
    x = 11,054,882.89

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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.