Home / 6,943,071.78-9,581,332.05-3,887,395.38

Finding the Fourth Proportional to 6,943,071.78, 9,581,332.05 and 3,887,395.38

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Solution

The fourth proportional to 6,943,071.78, 9,581,332.05 and 3,887,395.38 is: 5,364,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943,071.78 : 9,581,332.05 = 3,887,395.38 : x
  2. Step 2: Convert to fraction form
    6,943,071.78/9,581,332.05 = 3,887,395.38/x
  3. Step 3: Cross multiply
    6,943,071.78x = 9,581,332.05 × 3,887,395.38
  4. Step 4: Simplify right side
    6,943,071.78x = 37,246,425,945,415.93
  5. Step 5: Solve for x
    x = 37,246,425,945,415.93/6,943,071.78
  6. Step 6: Final answer
    x = 5,364,545.71

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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.