Home / 28,904,084.90-43,351,907.06-8,428,302.26

Finding the Fourth Proportional to 28,904,084.90, 43,351,907.06 and 8,428,302.26

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Solution

The fourth proportional to 28,904,084.90, 43,351,907.06 and 8,428,302.26 is: 12,641,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904,084.90 : 43,351,907.06 = 8,428,302.26 : x
  2. Step 2: Convert to fraction form
    28,904,084.90/43,351,907.06 = 8,428,302.26/x
  3. Step 3: Cross multiply
    28,904,084.90x = 43,351,907.06 × 8,428,302.26
  4. Step 4: Simplify right side
    28,904,084.90x = 365,382,976,249,107.94
  5. Step 5: Solve for x
    x = 365,382,976,249,107.94/28,904,084.90
  6. Step 6: Final answer
    x = 12,641,222.77

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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.