Home / 18,434,079.43-27,648,658.53-5,479,987.23

Finding the Fourth Proportional to 18,434,079.43, 27,648,658.53 and 5,479,987.23

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Solution

The fourth proportional to 18,434,079.43, 27,648,658.53 and 5,479,987.23 is: 8,219,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434,079.43 : 27,648,658.53 = 5,479,987.23 : x
  2. Step 2: Convert to fraction form
    18,434,079.43/27,648,658.53 = 5,479,987.23/x
  3. Step 3: Cross multiply
    18,434,079.43x = 27,648,658.53 × 5,479,987.23
  4. Step 4: Simplify right side
    18,434,079.43x = 151,514,295,671,030.59
  5. Step 5: Solve for x
    x = 151,514,295,671,030.59/18,434,079.43
  6. Step 6: Final answer
    x = 8,219,249.37

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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.