Home / 27,116,668-37,411,896.72-15,354,328.60

Finding the Fourth Proportional to 27,116,668, 37,411,896.72 and 15,354,328.60

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Solution

The fourth proportional to 27,116,668, 37,411,896.72 and 15,354,328.60 is: 21,183,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116,668 : 37,411,896.72 = 15,354,328.60 : x
  2. Step 2: Convert to fraction form
    27,116,668/37,411,896.72 = 15,354,328.60/x
  3. Step 3: Cross multiply
    27,116,668x = 37,411,896.72 × 15,354,328.60
  4. Step 4: Simplify right side
    27,116,668x = 574,434,555,788,142.12
  5. Step 5: Solve for x
    x = 574,434,555,788,142.12/27,116,668
  6. Step 6: Final answer
    x = 21,183,817.86

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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.