Home / 20,694,282.84-28,558,991.34-11,526,929.64

Finding the Fourth Proportional to 20,694,282.84, 28,558,991.34 and 11,526,929.64

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Solution

The fourth proportional to 20,694,282.84, 28,558,991.34 and 11,526,929.64 is: 15,907,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,282.84 : 28,558,991.34 = 11,526,929.64 : x
  2. Step 2: Convert to fraction form
    20,694,282.84/28,558,991.34 = 11,526,929.64/x
  3. Step 3: Cross multiply
    20,694,282.84x = 28,558,991.34 × 11,526,929.64
  4. Step 4: Simplify right side
    20,694,282.84x = 329,197,483,765,549.31
  5. Step 5: Solve for x
    x = 329,197,483,765,549.31/20,694,282.84
  6. Step 6: Final answer
    x = 15,907,653.64

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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.