Home / 6,514,662.80-8,990,400.13-3,574,479.12

Finding the Fourth Proportional to 6,514,662.80, 8,990,400.13 and 3,574,479.12

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Solution

The fourth proportional to 6,514,662.80, 8,990,400.13 and 3,574,479.12 is: 4,932,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514,662.80 : 8,990,400.13 = 3,574,479.12 : x
  2. Step 2: Convert to fraction form
    6,514,662.80/8,990,400.13 = 3,574,479.12/x
  3. Step 3: Cross multiply
    6,514,662.80x = 8,990,400.13 × 3,574,479.12
  4. Step 4: Simplify right side
    6,514,662.80x = 32,135,997,553,051.09
  5. Step 5: Solve for x
    x = 32,135,997,553,051.09/6,514,662.80
  6. Step 6: Final answer
    x = 4,932,871.97

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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.