Finding the Fourth Proportional to 7,358,103.18, 11,038,921.38 and 2,309,413.68
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Solution
The fourth proportional to 7,358,103.18, 11,038,921.38 and 2,309,413.68 is: 3,464,674.99
Step by Step Solution
- Step 1: Write the proportion equation
7,358,103.18 : 11,038,921.38 = 2,309,413.68 : x - Step 2: Convert to fraction form
7,358,103.18/11,038,921.38 = 2,309,413.68/x - Step 3: Cross multiply
7,358,103.18x = 11,038,921.38 × 2,309,413.68 - Step 4: Simplify right side
7,358,103.18x = 25,493,436,047,416.48 - Step 5: Solve for x
x = 25,493,436,047,416.48/7,358,103.18 - Step 6: Final answer
x = 3,464,674.99
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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.