Home / 12,293,080.80-18,439,621.20-5,200,447.20

Finding the Fourth Proportional to 12,293,080.80, 18,439,621.20 and 5,200,447.20

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Solution

The fourth proportional to 12,293,080.80, 18,439,621.20 and 5,200,447.20 is: 7,800,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,080.80 : 18,439,621.20 = 5,200,447.20 : x
  2. Step 2: Convert to fraction form
    12,293,080.80/18,439,621.20 = 5,200,447.20/x
  3. Step 3: Cross multiply
    12,293,080.80x = 18,439,621.20 × 5,200,447.20
  4. Step 4: Simplify right side
    12,293,080.80x = 95,894,276,438,600.64
  5. Step 5: Solve for x
    x = 95,894,276,438,600.64/12,293,080.80
  6. Step 6: Final answer
    x = 7,800,670.80

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1.5x scale

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.