Finding the Fourth Proportional to 10,048,126.40, 15,073,111.20 and 3,316,555.20
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Solution
The fourth proportional to 10,048,126.40, 15,073,111.20 and 3,316,555.20 is: 4,975,136.99
Step by Step Solution
- Step 1: Write the proportion equation
10,048,126.40 : 15,073,111.20 = 3,316,555.20 : x - Step 2: Convert to fraction form
10,048,126.40/15,073,111.20 = 3,316,555.20/x - Step 3: Cross multiply
10,048,126.40x = 15,073,111.20 × 3,316,555.20 - Step 4: Simplify right side
10,048,126.40x = 49,990,805,330,538.24 - Step 5: Solve for x
x = 49,990,805,330,538.24/10,048,126.40 - Step 6: Final answer
x = 4,975,136.99
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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.