Home / 19,010,676.20-28,512,515.10-11,809,322.60

Finding the Fourth Proportional to 19,010,676.20, 28,512,515.10 and 11,809,322.60

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Solution

The fourth proportional to 19,010,676.20, 28,512,515.10 and 11,809,322.60 is: 17,711,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,676.20 : 28,512,515.10 = 11,809,322.60 : x
  2. Step 2: Convert to fraction form
    19,010,676.20/28,512,515.10 = 11,809,322.60/x
  3. Step 3: Cross multiply
    19,010,676.20x = 28,512,515.10 × 11,809,322.60
  4. Step 4: Simplify right side
    19,010,676.20x = 336,713,488,953,271.25
  5. Step 5: Solve for x
    x = 336,713,488,953,271.25/19,010,676.20
  6. Step 6: Final answer
    x = 17,711,810.22

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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.