Home / 17,352,821.40-26,004,348.90-12,768,091.80

Finding the Fourth Proportional to 17,352,821.40, 26,004,348.90 and 12,768,091.80

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Solution

The fourth proportional to 17,352,821.40, 26,004,348.90 and 12,768,091.80 is: 19,133,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,352,821.40 : 26,004,348.90 = 12,768,091.80 : x
  2. Step 2: Convert to fraction form
    17,352,821.40/26,004,348.90 = 12,768,091.80/x
  3. Step 3: Cross multiply
    17,352,821.40x = 26,004,348.90 × 12,768,091.80
  4. Step 4: Simplify right side
    17,352,821.40x = 332,025,913,954,429
  5. Step 5: Solve for x
    x = 332,025,913,954,429/17,352,821.40
  6. Step 6: Final answer
    x = 19,133,828.81

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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.