Home / 13,554,620.46-18,705,604.68-7,443,617.58

Finding the Fourth Proportional to 13,554,620.46, 18,705,604.68 and 7,443,617.58

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Solution

The fourth proportional to 13,554,620.46, 18,705,604.68 and 7,443,617.58 is: 10,272,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,620.46 : 18,705,604.68 = 7,443,617.58 : x
  2. Step 2: Convert to fraction form
    13,554,620.46/18,705,604.68 = 7,443,617.58/x
  3. Step 3: Cross multiply
    13,554,620.46x = 18,705,604.68 × 7,443,617.58
  4. Step 4: Simplify right side
    13,554,620.46x = 139,237,367,840,578.28
  5. Step 5: Solve for x
    x = 139,237,367,840,578.28/13,554,620.46
  6. Step 6: Final answer
    x = 10,272,317.71

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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.