Home / 5,638,074.80-8,438,449.80-4,369,031.60

Finding the Fourth Proportional to 5,638,074.80, 8,438,449.80 and 4,369,031.60

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Solution

The fourth proportional to 5,638,074.80, 8,438,449.80 and 4,369,031.60 is: 6,539,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,074.80 : 8,438,449.80 = 4,369,031.60 : x
  2. Step 2: Convert to fraction form
    5,638,074.80/8,438,449.80 = 4,369,031.60/x
  3. Step 3: Cross multiply
    5,638,074.80x = 8,438,449.80 × 4,369,031.60
  4. Step 4: Simplify right side
    5,638,074.80x = 36,867,853,831,213.68
  5. Step 5: Solve for x
    x = 36,867,853,831,213.68/5,638,074.80
  6. Step 6: Final answer
    x = 6,539,085.62

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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.