Home / 13,435,055.50-18,539,449.83-7,555,568.38

Finding the Fourth Proportional to 13,435,055.50, 18,539,449.83 and 7,555,568.38

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Solution

The fourth proportional to 13,435,055.50, 18,539,449.83 and 7,555,568.38 is: 10,426,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435,055.50 : 18,539,449.83 = 7,555,568.38 : x
  2. Step 2: Convert to fraction form
    13,435,055.50/18,539,449.83 = 7,555,568.38/x
  3. Step 3: Cross multiply
    13,435,055.50x = 18,539,449.83 × 7,555,568.38
  4. Step 4: Simplify right side
    13,435,055.50x = 140,076,080,918,144.36
  5. Step 5: Solve for x
    x = 140,076,080,918,144.36/13,435,055.50
  6. Step 6: Final answer
    x = 10,426,163.18

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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.