Home / 13,606,508.43-18,776,982.66-7,494,936.93

Finding the Fourth Proportional to 13,606,508.43, 18,776,982.66 and 7,494,936.93

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Solution

The fourth proportional to 13,606,508.43, 18,776,982.66 and 7,494,936.93 is: 10,343,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,508.43 : 18,776,982.66 = 7,494,936.93 : x
  2. Step 2: Convert to fraction form
    13,606,508.43/18,776,982.66 = 7,494,936.93/x
  3. Step 3: Cross multiply
    13,606,508.43x = 18,776,982.66 × 7,494,936.93
  4. Step 4: Simplify right side
    13,606,508.43x = 140,732,300,772,403.62
  5. Step 5: Solve for x
    x = 140,732,300,772,403.62/13,606,508.43
  6. Step 6: Final answer
    x = 10,343,013.53

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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.