Home / 10,675,782.80-16,013,674.20-3,942,803.60

Finding the Fourth Proportional to 10,675,782.80, 16,013,674.20 and 3,942,803.60

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Solution

The fourth proportional to 10,675,782.80, 16,013,674.20 and 3,942,803.60 is: 5,914,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,675,782.80 : 16,013,674.20 = 3,942,803.60 : x
  2. Step 2: Convert to fraction form
    10,675,782.80/16,013,674.20 = 3,942,803.60/x
  3. Step 3: Cross multiply
    10,675,782.80x = 16,013,674.20 × 3,942,803.60
  4. Step 4: Simplify right side
    10,675,782.80x = 63,138,772,284,987.12
  5. Step 5: Solve for x
    x = 63,138,772,284,987.12/10,675,782.80
  6. Step 6: Final answer
    x = 5,914,205.40

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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.