Home / 6,943,072.16-9,581,332.56-3,887,395.76

Finding the Fourth Proportional to 6,943,072.16, 9,581,332.56 and 3,887,395.76

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Solution

The fourth proportional to 6,943,072.16, 9,581,332.56 and 3,887,395.76 is: 5,364,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943,072.16 : 9,581,332.56 = 3,887,395.76 : x
  2. Step 2: Convert to fraction form
    6,943,072.16/9,581,332.56 = 3,887,395.76/x
  3. Step 3: Cross multiply
    6,943,072.16x = 9,581,332.56 × 3,887,395.76
  4. Step 4: Simplify right side
    6,943,072.16x = 37,246,431,568,893.95
  5. Step 5: Solve for x
    x = 37,246,431,568,893.95/6,943,072.16
  6. Step 6: Final answer
    x = 5,364,546.23

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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.