Home / 9,968,556.74-13,756,620.55-5,384,878.12

Finding the Fourth Proportional to 9,968,556.74, 13,756,620.55 and 5,384,878.12

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Solution

The fourth proportional to 9,968,556.74, 13,756,620.55 and 5,384,878.12 is: 7,431,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,556.74 : 13,756,620.55 = 5,384,878.12 : x
  2. Step 2: Convert to fraction form
    9,968,556.74/13,756,620.55 = 5,384,878.12/x
  3. Step 3: Cross multiply
    9,968,556.74x = 13,756,620.55 × 5,384,878.12
  4. Step 4: Simplify right side
    9,968,556.74x = 74,077,724,926,144.31
  5. Step 5: Solve for x
    x = 74,077,724,926,144.31/9,968,556.74
  6. Step 6: Final answer
    x = 7,431,138.41

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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.