Home / 6,918,940.25-10,378,447.43-4,537,863.03

Finding the Fourth Proportional to 6,918,940.25, 10,378,447.43 and 4,537,863.03

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Solution

The fourth proportional to 6,918,940.25, 10,378,447.43 and 4,537,863.03 is: 6,806,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,940.25 : 10,378,447.43 = 4,537,863.03 : x
  2. Step 2: Convert to fraction form
    6,918,940.25/10,378,447.43 = 4,537,863.03/x
  3. Step 3: Cross multiply
    6,918,940.25x = 10,378,447.43 × 4,537,863.03
  4. Step 4: Simplify right side
    6,918,940.25x = 47,095,972,901,395.52
  5. Step 5: Solve for x
    x = 47,095,972,901,395.52/6,918,940.25
  6. Step 6: Final answer
    x = 6,806,818.85

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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.