Finding the Fourth Proportional to 10,900,847.70, 16,351,271.55 and 3,709,991.70
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Solution
The fourth proportional to 10,900,847.70, 16,351,271.55 and 3,709,991.70 is: 5,564,987.55
Step by Step Solution
- Step 1: Write the proportion equation
10,900,847.70 : 16,351,271.55 = 3,709,991.70 : x - Step 2: Convert to fraction form
10,900,847.70/16,351,271.55 = 3,709,991.70/x - Step 3: Cross multiply
10,900,847.70x = 16,351,271.55 × 3,709,991.70 - Step 4: Simplify right side
10,900,847.70x = 60,663,081,734,946.14 - Step 5: Solve for x
x = 60,663,081,734,946.14/10,900,847.70 - Step 6: Final answer
x = 5,564,987.55
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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.