Home / 8,189,478.75-11,301,448.87-4,518,623.79

Finding the Fourth Proportional to 8,189,478.75, 11,301,448.87 and 4,518,623.79

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Solution

The fourth proportional to 8,189,478.75, 11,301,448.87 and 4,518,623.79 is: 6,235,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,478.75 : 11,301,448.87 = 4,518,623.79 : x
  2. Step 2: Convert to fraction form
    8,189,478.75/11,301,448.87 = 4,518,623.79/x
  3. Step 3: Cross multiply
    8,189,478.75x = 11,301,448.87 × 4,518,623.79
  4. Step 4: Simplify right side
    8,189,478.75x = 51,066,995,725,450.62
  5. Step 5: Solve for x
    x = 51,066,995,725,450.62/8,189,478.75
  6. Step 6: Final answer
    x = 6,235,683.28

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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.