Home / 11,239,413.70-16,859,120.55-8,405,061.70

Finding the Fourth Proportional to 11,239,413.70, 16,859,120.55 and 8,405,061.70

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Solution

The fourth proportional to 11,239,413.70, 16,859,120.55 and 8,405,061.70 is: 12,607,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239,413.70 : 16,859,120.55 = 8,405,061.70 : x
  2. Step 2: Convert to fraction form
    11,239,413.70/16,859,120.55 = 8,405,061.70/x
  3. Step 3: Cross multiply
    11,239,413.70x = 16,859,120.55 × 8,405,061.70
  4. Step 4: Simplify right side
    11,239,413.70x = 141,701,948,430,487.94
  5. Step 5: Solve for x
    x = 141,701,948,430,487.94/11,239,413.70
  6. Step 6: Final answer
    x = 12,607,592.55

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1.5x scale

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.