Home / 27,853,810.20-41,786,620.20-8,421,440.40

Finding the Fourth Proportional to 27,853,810.20, 41,786,620.20 and 8,421,440.40

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Solution

The fourth proportional to 27,853,810.20, 41,786,620.20 and 8,421,440.40 is: 12,633,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853,810.20 : 41,786,620.20 = 8,421,440.40 : x
  2. Step 2: Convert to fraction form
    27,853,810.20/41,786,620.20 = 8,421,440.40/x
  3. Step 3: Cross multiply
    27,853,810.20x = 41,786,620.20 × 8,421,440.40
  4. Step 4: Simplify right side
    27,853,810.20x = 351,903,531,531,736.12
  5. Step 5: Solve for x
    x = 351,903,531,531,736.12/27,853,810.20
  6. Step 6: Final answer
    x = 12,633,945.91

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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.