Home / 13,554,065.50-18,704,741.61-7,442,625.22

Finding the Fourth Proportional to 13,554,065.50, 18,704,741.61 and 7,442,625.22

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Solution

The fourth proportional to 13,554,065.50, 18,704,741.61 and 7,442,625.22 is: 10,270,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,065.50 : 18,704,741.61 = 7,442,625.22 : x
  2. Step 2: Convert to fraction form
    13,554,065.50/18,704,741.61 = 7,442,625.22/x
  3. Step 3: Cross multiply
    13,554,065.50x = 18,704,741.61 × 7,442,625.22
  4. Step 4: Simplify right side
    13,554,065.50x = 139,212,381,640,169.39
  5. Step 5: Solve for x
    x = 139,212,381,640,169.39/13,554,065.50
  6. Step 6: Final answer
    x = 10,270,894.86

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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.