Home / 18,686,737.80-28,030,106.70-18,560,766.60

Finding the Fourth Proportional to 18,686,737.80, 28,030,106.70 and 18,560,766.60

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Solution

The fourth proportional to 18,686,737.80, 28,030,106.70 and 18,560,766.60 is: 27,841,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,737.80 : 28,030,106.70 = 18,560,766.60 : x
  2. Step 2: Convert to fraction form
    18,686,737.80/28,030,106.70 = 18,560,766.60/x
  3. Step 3: Cross multiply
    18,686,737.80x = 28,030,106.70 × 18,560,766.60
  4. Step 4: Simplify right side
    18,686,737.80x = 520,260,268,231,796.25
  5. Step 5: Solve for x
    x = 520,260,268,231,796.25/18,686,737.80
  6. Step 6: Final answer
    x = 27,841,149.90

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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.