Home / 28,167,578.79-38,851,845.67-19,812,668.04

Finding the Fourth Proportional to 28,167,578.79, 38,851,845.67 and 19,812,668.04

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Solution

The fourth proportional to 28,167,578.79, 38,851,845.67 and 19,812,668.04 is: 27,327,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167,578.79 : 38,851,845.67 = 19,812,668.04 : x
  2. Step 2: Convert to fraction form
    28,167,578.79/38,851,845.67 = 19,812,668.04/x
  3. Step 3: Cross multiply
    28,167,578.79x = 38,851,845.67 × 19,812,668.04
  4. Step 4: Simplify right side
    28,167,578.79x = 769,758,720,914,340.88
  5. Step 5: Solve for x
    x = 769,758,720,914,340.88/28,167,578.79
  6. Step 6: Final answer
    x = 27,327,827.03

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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.