Home / 13,694,306.82-20,541,693.51-5,178,653.70

Finding the Fourth Proportional to 13,694,306.82, 20,541,693.51 and 5,178,653.70

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Solution

The fourth proportional to 13,694,306.82, 20,541,693.51 and 5,178,653.70 is: 7,768,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,306.82 : 20,541,693.51 = 5,178,653.70 : x
  2. Step 2: Convert to fraction form
    13,694,306.82/20,541,693.51 = 5,178,653.70/x
  3. Step 3: Cross multiply
    13,694,306.82x = 20,541,693.51 × 5,178,653.70
  4. Step 4: Simplify right side
    13,694,306.82x = 106,378,317,099,827.50
  5. Step 5: Solve for x
    x = 106,378,317,099,827.50/13,694,306.82
  6. Step 6: Final answer
    x = 7,768,068.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.