Home / 12,376,667.79-18,568,802.61-5,907,997.47

Finding the Fourth Proportional to 12,376,667.79, 18,568,802.61 and 5,907,997.47

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Solution

The fourth proportional to 12,376,667.79, 18,568,802.61 and 5,907,997.47 is: 8,863,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,667.79 : 18,568,802.61 = 5,907,997.47 : x
  2. Step 2: Convert to fraction form
    12,376,667.79/18,568,802.61 = 5,907,997.47/x
  3. Step 3: Cross multiply
    12,376,667.79x = 18,568,802.61 × 5,907,997.47
  4. Step 4: Simplify right side
    12,376,667.79x = 109,704,438,840,809.39
  5. Step 5: Solve for x
    x = 109,704,438,840,809.39/12,376,667.79
  6. Step 6: Final answer
    x = 8,863,810.58

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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.