Home / 13,554,063-18,704,738.16-7,442,622.72

Finding the Fourth Proportional to 13,554,063, 18,704,738.16 and 7,442,622.72

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Solution

The fourth proportional to 13,554,063, 18,704,738.16 and 7,442,622.72 is: 10,270,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,063 : 18,704,738.16 = 7,442,622.72 : x
  2. Step 2: Convert to fraction form
    13,554,063/18,704,738.16 = 7,442,622.72/x
  3. Step 3: Cross multiply
    13,554,063x = 18,704,738.16 × 7,442,622.72
  4. Step 4: Simplify right side
    13,554,063x = 139,212,309,201,266.98
  5. Step 5: Solve for x
    x = 139,212,309,201,266.98/13,554,063
  6. Step 6: Final answer
    x = 10,270,891.41

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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.