Home / 20,553,495.43-28,361,756.59-11,384,425.03

Finding the Fourth Proportional to 20,553,495.43, 28,361,756.59 and 11,384,425.03

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Solution

The fourth proportional to 20,553,495.43, 28,361,756.59 and 11,384,425.03 is: 15,709,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,495.43 : 28,361,756.59 = 11,384,425.03 : x
  2. Step 2: Convert to fraction form
    20,553,495.43/28,361,756.59 = 11,384,425.03/x
  3. Step 3: Cross multiply
    20,553,495.43x = 28,361,756.59 × 11,384,425.03
  4. Step 4: Simplify right side
    20,553,495.43x = 322,882,291,617,963.44
  5. Step 5: Solve for x
    x = 322,882,291,617,963.44/20,553,495.43
  6. Step 6: Final answer
    x = 15,709,361.59

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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.