Home / 13,325,295.74-18,388,914.32-7,213,724.24

Finding the Fourth Proportional to 13,325,295.74, 18,388,914.32 and 7,213,724.24

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Solution

The fourth proportional to 13,325,295.74, 18,388,914.32 and 7,213,724.24 is: 9,954,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,295.74 : 18,388,914.32 = 7,213,724.24 : x
  2. Step 2: Convert to fraction form
    13,325,295.74/18,388,914.32 = 7,213,724.24/x
  3. Step 3: Cross multiply
    13,325,295.74x = 18,388,914.32 × 7,213,724.24
  4. Step 4: Simplify right side
    13,325,295.74x = 132,652,556,941,398.52
  5. Step 5: Solve for x
    x = 132,652,556,941,398.52/13,325,295.74
  6. Step 6: Final answer
    x = 9,954,942.80

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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.