Home / 28,998,859.80-43,496,907.30-9,827,736.60

Finding the Fourth Proportional to 28,998,859.80, 43,496,907.30 and 9,827,736.60

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Solution

The fourth proportional to 28,998,859.80, 43,496,907.30 and 9,827,736.60 is: 14,741,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998,859.80 : 43,496,907.30 = 9,827,736.60 : x
  2. Step 2: Convert to fraction form
    28,998,859.80/43,496,907.30 = 9,827,736.60/x
  3. Step 3: Cross multiply
    28,998,859.80x = 43,496,907.30 × 9,827,736.60
  4. Step 4: Simplify right side
    28,998,859.80x = 427,476,147,859,017.12
  5. Step 5: Solve for x
    x = 427,476,147,859,017.12/28,998,859.80
  6. Step 6: Final answer
    x = 14,741,136.40

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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.