Home / 7,147,920.33-9,864,206.49-3,884,735.22

Finding the Fourth Proportional to 7,147,920.33, 9,864,206.49 and 3,884,735.22

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Solution

The fourth proportional to 7,147,920.33, 9,864,206.49 and 3,884,735.22 is: 5,360,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,920.33 : 9,864,206.49 = 3,884,735.22 : x
  2. Step 2: Convert to fraction form
    7,147,920.33/9,864,206.49 = 3,884,735.22/x
  3. Step 3: Cross multiply
    7,147,920.33x = 9,864,206.49 × 3,884,735.22
  4. Step 4: Simplify right side
    7,147,920.33x = 38,319,830,369,055.58
  5. Step 5: Solve for x
    x = 38,319,830,369,055.58/7,147,920.33
  6. Step 6: Final answer
    x = 5,360,976.14

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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.