Finding the Fourth Proportional to 10,232,751.72, 14,121,106.20 and 5,648,974.68
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Solution
The fourth proportional to 10,232,751.72, 14,121,106.20 and 5,648,974.68 is: 7,795,534.73
Step by Step Solution
- Step 1: Write the proportion equation
10,232,751.72 : 14,121,106.20 = 5,648,974.68 : x - Step 2: Convert to fraction form
10,232,751.72/14,121,106.20 = 5,648,974.68/x - Step 3: Cross multiply
10,232,751.72x = 14,121,106.20 × 5,648,974.68 - Step 4: Simplify right side
10,232,751.72x = 79,769,771,377,391 - Step 5: Solve for x
x = 79,769,771,377,391/10,232,751.72 - Step 6: Final answer
x = 7,795,534.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.