Home / 8,932,421.92-12,321,492.24-5,619,448.48

Finding the Fourth Proportional to 8,932,421.92, 12,321,492.24 and 5,619,448.48

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Solution

The fourth proportional to 8,932,421.92, 12,321,492.24 and 5,619,448.48 is: 7,751,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932,421.92 : 12,321,492.24 = 5,619,448.48 : x
  2. Step 2: Convert to fraction form
    8,932,421.92/12,321,492.24 = 5,619,448.48/x
  3. Step 3: Cross multiply
    8,932,421.92x = 12,321,492.24 × 5,619,448.48
  4. Step 4: Simplify right side
    8,932,421.92x = 69,239,990,839,399.80
  5. Step 5: Solve for x
    x = 69,239,990,839,399.80/8,932,421.92
  6. Step 6: Final answer
    x = 7,751,536.09

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1.5x scale

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.