Home / 19,223,999.90-28,835,999.85-16,984,511.90

Finding the Fourth Proportional to 19,223,999.90, 28,835,999.85 and 16,984,511.90

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Solution

The fourth proportional to 19,223,999.90, 28,835,999.85 and 16,984,511.90 is: 25,476,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223,999.90 : 28,835,999.85 = 16,984,511.90 : x
  2. Step 2: Convert to fraction form
    19,223,999.90/28,835,999.85 = 16,984,511.90/x
  3. Step 3: Cross multiply
    19,223,999.90x = 28,835,999.85 × 16,984,511.90
  4. Step 4: Simplify right side
    19,223,999.90x = 489,765,382,600,723.19
  5. Step 5: Solve for x
    x = 489,765,382,600,723.19/19,223,999.90
  6. Step 6: Final answer
    x = 25,476,767.85

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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.