Home / 19,043,242.66-26,287,718.99-12,856,668.65

Finding the Fourth Proportional to 19,043,242.66, 26,287,718.99 and 12,856,668.65

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Solution

The fourth proportional to 19,043,242.66, 26,287,718.99 and 12,856,668.65 is: 17,747,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,242.66 : 26,287,718.99 = 12,856,668.65 : x
  2. Step 2: Convert to fraction form
    19,043,242.66/26,287,718.99 = 12,856,668.65/x
  3. Step 3: Cross multiply
    19,043,242.66x = 26,287,718.99 × 12,856,668.65
  4. Step 4: Simplify right side
    19,043,242.66x = 337,972,492,741,786.88
  5. Step 5: Solve for x
    x = 337,972,492,741,786.88/19,043,242.66
  6. Step 6: Final answer
    x = 17,747,633.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.