Home / 7,207,110.90-9,945,814.05-3,943,926.36

Finding the Fourth Proportional to 7,207,110.90, 9,945,814.05 and 3,943,926.36

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Solution

The fourth proportional to 7,207,110.90, 9,945,814.05 and 3,943,926.36 is: 5,442,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,110.90 : 9,945,814.05 = 3,943,926.36 : x
  2. Step 2: Convert to fraction form
    7,207,110.90/9,945,814.05 = 3,943,926.36/x
  3. Step 3: Cross multiply
    7,207,110.90x = 9,945,814.05 × 3,943,926.36
  4. Step 4: Simplify right side
    7,207,110.90x = 39,225,558,203,453.36
  5. Step 5: Solve for x
    x = 39,225,558,203,453.36/7,207,110.90
  6. Step 6: Final answer
    x = 5,442,618.93

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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.