Home / 17,880,121.80-26,837,503.74-16,909,093.80

Finding the Fourth Proportional to 17,880,121.80, 26,837,503.74 and 16,909,093.80

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Solution

The fourth proportional to 17,880,121.80, 26,837,503.74 and 16,909,093.80 is: 25,380,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880,121.80 : 26,837,503.74 = 16,909,093.80 : x
  2. Step 2: Convert to fraction form
    17,880,121.80/26,837,503.74 = 16,909,093.80/x
  3. Step 3: Cross multiply
    17,880,121.80x = 26,837,503.74 × 16,909,093.80
  4. Step 4: Simplify right side
    17,880,121.80x = 453,797,868,097,510.81
  5. Step 5: Solve for x
    x = 453,797,868,097,510.81/17,880,121.80
  6. Step 6: Final answer
    x = 25,380,021.07

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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.