Home / 14,270,209.68-19,692,889.44-7,743,839.15

Finding the Fourth Proportional to 14,270,209.68, 19,692,889.44 and 7,743,839.15

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Solution

The fourth proportional to 14,270,209.68, 19,692,889.44 and 7,743,839.15 is: 10,686,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,209.68 : 19,692,889.44 = 7,743,839.15 : x
  2. Step 2: Convert to fraction form
    14,270,209.68/19,692,889.44 = 7,743,839.15/x
  3. Step 3: Cross multiply
    14,270,209.68x = 19,692,889.44 × 7,743,839.15
  4. Step 4: Simplify right side
    14,270,209.68x = 152,498,568,285,845.50
  5. Step 5: Solve for x
    x = 152,498,568,285,845.50/14,270,209.68
  6. Step 6: Final answer
    x = 10,686,498.08

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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.