Home / 7,115,109.84-9,818,839.44-3,851,923.32

Finding the Fourth Proportional to 7,115,109.84, 9,818,839.44 and 3,851,923.32

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Solution

The fourth proportional to 7,115,109.84, 9,818,839.44 and 3,851,923.32 is: 5,315,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,109.84 : 9,818,839.44 = 3,851,923.32 : x
  2. Step 2: Convert to fraction form
    7,115,109.84/9,818,839.44 = 3,851,923.32/x
  3. Step 3: Cross multiply
    7,115,109.84x = 9,818,839.44 × 3,851,923.32
  4. Step 4: Simplify right side
    7,115,109.84x = 37,821,416,614,271.73
  5. Step 5: Solve for x
    x = 37,821,416,614,271.73/7,115,109.84
  6. Step 6: Final answer
    x = 5,315,647.61

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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.