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Finding the Fourth Proportional to 7,749,559.92, 11,624,482.52 and 3,372,257.64

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Solution

The fourth proportional to 7,749,559.92, 11,624,482.52 and 3,372,257.64 is: 5,058,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749,559.92 : 11,624,482.52 = 3,372,257.64 : x
  2. Step 2: Convert to fraction form
    7,749,559.92/11,624,482.52 = 3,372,257.64/x
  3. Step 3: Cross multiply
    7,749,559.92x = 11,624,482.52 × 3,372,257.64
  4. Step 4: Simplify right side
    7,749,559.92x = 39,200,749,989,116.45
  5. Step 5: Solve for x
    x = 39,200,749,989,116.45/7,749,559.92
  6. Step 6: Final answer
    x = 5,058,448.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.