Home / 18,202,221.72-25,112,538.90-10,758,322.62

Finding the Fourth Proportional to 18,202,221.72, 25,112,538.90 and 10,758,322.62

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Solution

The fourth proportional to 18,202,221.72, 25,112,538.90 and 10,758,322.62 is: 14,842,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,221.72 : 25,112,538.90 = 10,758,322.62 : x
  2. Step 2: Convert to fraction form
    18,202,221.72/25,112,538.90 = 10,758,322.62/x
  3. Step 3: Cross multiply
    18,202,221.72x = 25,112,538.90 × 10,758,322.62
  4. Step 4: Simplify right side
    18,202,221.72x = 270,168,795,293,499.88
  5. Step 5: Solve for x
    x = 270,168,795,293,499.88/18,202,221.72
  6. Step 6: Final answer
    x = 14,842,627.42

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1.5x scale

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.