Home / 18,162,016.91-27,249,668.39-8,451,261.24

Finding the Fourth Proportional to 18,162,016.91, 27,249,668.39 and 8,451,261.24

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Solution

The fourth proportional to 18,162,016.91, 27,249,668.39 and 8,451,261.24 is: 12,679,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,016.91 : 27,249,668.39 = 8,451,261.24 : x
  2. Step 2: Convert to fraction form
    18,162,016.91/27,249,668.39 = 8,451,261.24/x
  3. Step 3: Cross multiply
    18,162,016.91x = 27,249,668.39 × 8,451,261.24
  4. Step 4: Simplify right side
    18,162,016.91x = 230,294,066,225,003.91
  5. Step 5: Solve for x
    x = 230,294,066,225,003.91/18,162,016.91
  6. Step 6: Final answer
    x = 12,679,983.03

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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.