Home / 11,589,820.10-17,384,730.15-5,200,280.90

Finding the Fourth Proportional to 11,589,820.10, 17,384,730.15 and 5,200,280.90

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Solution

The fourth proportional to 11,589,820.10, 17,384,730.15 and 5,200,280.90 is: 7,800,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589,820.10 : 17,384,730.15 = 5,200,280.90 : x
  2. Step 2: Convert to fraction form
    11,589,820.10/17,384,730.15 = 5,200,280.90/x
  3. Step 3: Cross multiply
    11,589,820.10x = 17,384,730.15 × 5,200,280.90
  4. Step 4: Simplify right side
    11,589,820.10x = 90,405,480,150,699.14
  5. Step 5: Solve for x
    x = 90,405,480,150,699.14/11,589,820.10
  6. Step 6: Final answer
    x = 7,800,421.35

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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.