Home / 21,694,154.25-32,550,356.07-13,503,643.68

Finding the Fourth Proportional to 21,694,154.25, 32,550,356.07 and 13,503,643.68

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Solution

The fourth proportional to 21,694,154.25, 32,550,356.07 and 13,503,643.68 is: 20,261,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,154.25 : 32,550,356.07 = 13,503,643.68 : x
  2. Step 2: Convert to fraction form
    21,694,154.25/32,550,356.07 = 13,503,643.68/x
  3. Step 3: Cross multiply
    21,694,154.25x = 32,550,356.07 × 13,503,643.68
  4. Step 4: Simplify right side
    21,694,154.25x = 439,548,410,026,405.12
  5. Step 5: Solve for x
    x = 439,548,410,026,405.12/21,694,154.25
  6. Step 6: Final answer
    x = 20,261,145.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.