Home / 27,981,278.40-41,971,917.60-10,032,196.80

Finding the Fourth Proportional to 27,981,278.40, 41,971,917.60 and 10,032,196.80

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Solution

The fourth proportional to 27,981,278.40, 41,971,917.60 and 10,032,196.80 is: 15,048,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981,278.40 : 41,971,917.60 = 10,032,196.80 : x
  2. Step 2: Convert to fraction form
    27,981,278.40/41,971,917.60 = 10,032,196.80/x
  3. Step 3: Cross multiply
    27,981,278.40x = 41,971,917.60 × 10,032,196.80
  4. Step 4: Simplify right side
    27,981,278.40x = 421,070,537,436,583.75
  5. Step 5: Solve for x
    x = 421,070,537,436,583.75/27,981,278.40
  6. Step 6: Final answer
    x = 15,048,295.20

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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.