Home / 18,668,556.40-28,002,834.60-14,889,420.40

Finding the Fourth Proportional to 18,668,556.40, 28,002,834.60 and 14,889,420.40

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Solution

The fourth proportional to 18,668,556.40, 28,002,834.60 and 14,889,420.40 is: 22,334,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668,556.40 : 28,002,834.60 = 14,889,420.40 : x
  2. Step 2: Convert to fraction form
    18,668,556.40/28,002,834.60 = 14,889,420.40/x
  3. Step 3: Cross multiply
    18,668,556.40x = 28,002,834.60 × 14,889,420.40
  4. Step 4: Simplify right side
    18,668,556.40x = 416,945,976,751,065.88
  5. Step 5: Solve for x
    x = 416,945,976,751,065.88/18,668,556.40
  6. Step 6: Final answer
    x = 22,334,130.60

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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.