Home / 18,882,796.80-28,333,411.20-8,780,217.60

Finding the Fourth Proportional to 18,882,796.80, 28,333,411.20 and 8,780,217.60

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Solution

The fourth proportional to 18,882,796.80, 28,333,411.20 and 8,780,217.60 is: 13,174,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882,796.80 : 28,333,411.20 = 8,780,217.60 : x
  2. Step 2: Convert to fraction form
    18,882,796.80/28,333,411.20 = 8,780,217.60/x
  3. Step 3: Cross multiply
    18,882,796.80x = 28,333,411.20 × 8,780,217.60
  4. Step 4: Simplify right side
    18,882,796.80x = 248,773,515,686,277.09
  5. Step 5: Solve for x
    x = 248,773,515,686,277.09/18,882,796.80
  6. Step 6: Final answer
    x = 13,174,611.70

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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.