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Finding the Fourth Proportional to 8,734,562.40, 13,101,843.60 and 3,054,194.40

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Solution

The fourth proportional to 8,734,562.40, 13,101,843.60 and 3,054,194.40 is: 4,581,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734,562.40 : 13,101,843.60 = 3,054,194.40 : x
  2. Step 2: Convert to fraction form
    8,734,562.40/13,101,843.60 = 3,054,194.40/x
  3. Step 3: Cross multiply
    8,734,562.40x = 13,101,843.60 × 3,054,194.40
  4. Step 4: Simplify right side
    8,734,562.40x = 40,015,577,352,795.84
  5. Step 5: Solve for x
    x = 40,015,577,352,795.84/8,734,562.40
  6. Step 6: Final answer
    x = 4,581,291.60

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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.