Home / 20,044,284.69-30,056,629.28-13,981,920.69

Finding the Fourth Proportional to 20,044,284.69, 30,056,629.28 and 13,981,920.69

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Solution

The fourth proportional to 20,044,284.69, 30,056,629.28 and 13,981,920.69 is: 20,966,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044,284.69 : 30,056,629.28 = 13,981,920.69 : x
  2. Step 2: Convert to fraction form
    20,044,284.69/30,056,629.28 = 13,981,920.69/x
  3. Step 3: Cross multiply
    20,044,284.69x = 30,056,629.28 × 13,981,920.69
  4. Step 4: Simplify right side
    20,044,284.69x = 420,249,406,731,782.19
  5. Step 5: Solve for x
    x = 420,249,406,731,782.19/20,044,284.69
  6. Step 6: Final answer
    x = 20,966,046.59

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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.