Home / 15,294,668.43-21,107,077.53-8,325,795.41

Finding the Fourth Proportional to 15,294,668.43, 21,107,077.53 and 8,325,795.41

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Solution

The fourth proportional to 15,294,668.43, 21,107,077.53 and 8,325,795.41 is: 11,489,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294,668.43 : 21,107,077.53 = 8,325,795.41 : x
  2. Step 2: Convert to fraction form
    15,294,668.43/21,107,077.53 = 8,325,795.41/x
  3. Step 3: Cross multiply
    15,294,668.43x = 21,107,077.53 × 8,325,795.41
  4. Step 4: Simplify right side
    15,294,668.43x = 175,733,209,112,252.75
  5. Step 5: Solve for x
    x = 175,733,209,112,252.75/15,294,668.43
  6. Step 6: Final answer
    x = 11,489,834.51

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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.