Home / 7,117,140.36-9,821,635.97-3,853,954.89

Finding the Fourth Proportional to 7,117,140.36, 9,821,635.97 and 3,853,954.89

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Solution

The fourth proportional to 7,117,140.36, 9,821,635.97 and 3,853,954.89 is: 5,318,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,140.36 : 9,821,635.97 = 3,853,954.89 : x
  2. Step 2: Convert to fraction form
    7,117,140.36/9,821,635.97 = 3,853,954.89/x
  3. Step 3: Cross multiply
    7,117,140.36x = 9,821,635.97 × 3,853,954.89
  4. Step 4: Simplify right side
    7,117,140.36x = 37,852,141,955,111.62
  5. Step 5: Solve for x
    x = 37,852,141,955,111.62/7,117,140.36
  6. Step 6: Final answer
    x = 5,318,448.14

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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.