Finding the Fourth Proportional to 7,465,832.93, 10,297,348.34 and 5,630,368.47
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Solution
The fourth proportional to 7,465,832.93, 10,297,348.34 and 5,630,368.47 is: 7,765,759.83
Step by Step Solution
- Step 1: Write the proportion equation
7,465,832.93 : 10,297,348.34 = 5,630,368.47 : x - Step 2: Convert to fraction form
7,465,832.93/10,297,348.34 = 5,630,368.47/x - Step 3: Cross multiply
7,465,832.93x = 10,297,348.34 × 5,630,368.47 - Step 4: Simplify right side
7,465,832.93x = 57,977,865,389,991 - Step 5: Solve for x
x = 57,977,865,389,991/7,465,832.93 - Step 6: Final answer
x = 7,765,759.83
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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.