Home / 18,365,618.91-25,343,794.09-9,993,023.14

Finding the Fourth Proportional to 18,365,618.91, 25,343,794.09 and 9,993,023.14

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Solution

The fourth proportional to 18,365,618.91, 25,343,794.09 and 9,993,023.14 is: 13,789,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,618.91 : 25,343,794.09 = 9,993,023.14 : x
  2. Step 2: Convert to fraction form
    18,365,618.91/25,343,794.09 = 9,993,023.14/x
  3. Step 3: Cross multiply
    18,365,618.91x = 25,343,794.09 × 9,993,023.14
  4. Step 4: Simplify right side
    18,365,618.91x = 253,261,120,793,416.62
  5. Step 5: Solve for x
    x = 253,261,120,793,416.62/18,365,618.91
  6. Step 6: Final answer
    x = 13,789,958.40

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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.