Home / 7,805,626.30-10,771,243.86-4,320,729.28

Finding the Fourth Proportional to 7,805,626.30, 10,771,243.86 and 4,320,729.28

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Solution

The fourth proportional to 7,805,626.30, 10,771,243.86 and 4,320,729.28 is: 5,962,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805,626.30 : 10,771,243.86 = 4,320,729.28 : x
  2. Step 2: Convert to fraction form
    7,805,626.30/10,771,243.86 = 4,320,729.28/x
  3. Step 3: Cross multiply
    7,805,626.30x = 10,771,243.86 × 4,320,729.28
  4. Step 4: Simplify right side
    7,805,626.30x = 46,539,628,727,922.22
  5. Step 5: Solve for x
    x = 46,539,628,727,922.22/7,805,626.30
  6. Step 6: Final answer
    x = 5,962,318.33

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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.