Home / 11,587,835.16-15,990,467.58-6,431,200.20

Finding the Fourth Proportional to 11,587,835.16, 15,990,467.58 and 6,431,200.20

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Solution

The fourth proportional to 11,587,835.16, 15,990,467.58 and 6,431,200.20 is: 8,874,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587,835.16 : 15,990,467.58 = 6,431,200.20 : x
  2. Step 2: Convert to fraction form
    11,587,835.16/15,990,467.58 = 6,431,200.20/x
  3. Step 3: Cross multiply
    11,587,835.16x = 15,990,467.58 × 6,431,200.20
  4. Step 4: Simplify right side
    11,587,835.16x = 102,837,898,298,589.52
  5. Step 5: Solve for x
    x = 102,837,898,298,589.52/11,587,835.16
  6. Step 6: Final answer
    x = 8,874,642.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.