Home / 5,387,542.80-8,081,314.20-4,946,643.60

Finding the Fourth Proportional to 5,387,542.80, 8,081,314.20 and 4,946,643.60

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Solution

The fourth proportional to 5,387,542.80, 8,081,314.20 and 4,946,643.60 is: 7,419,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,542.80 : 8,081,314.20 = 4,946,643.60 : x
  2. Step 2: Convert to fraction form
    5,387,542.80/8,081,314.20 = 4,946,643.60/x
  3. Step 3: Cross multiply
    5,387,542.80x = 8,081,314.20 × 4,946,643.60
  4. Step 4: Simplify right side
    5,387,542.80x = 39,975,381,167,019.12
  5. Step 5: Solve for x
    x = 39,975,381,167,019.12/5,387,542.80
  6. Step 6: Final answer
    x = 7,419,965.40

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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.