Home / 20,616,973.80-28,450,644.84-11,450,207.04

Finding the Fourth Proportional to 20,616,973.80, 28,450,644.84 and 11,450,207.04

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Solution

The fourth proportional to 20,616,973.80, 28,450,644.84 and 11,450,207.04 is: 15,800,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616,973.80 : 28,450,644.84 = 11,450,207.04 : x
  2. Step 2: Convert to fraction form
    20,616,973.80/28,450,644.84 = 11,450,207.04/x
  3. Step 3: Cross multiply
    20,616,973.80x = 28,450,644.84 × 11,450,207.04
  4. Step 4: Simplify right side
    20,616,973.80x = 325,765,773,839,507.62
  5. Step 5: Solve for x
    x = 325,765,773,839,507.62/20,616,973.80
  6. Step 6: Final answer
    x = 15,800,853.07

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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.