Finding the Fourth Proportional to 7,431,248.90, 10,254,303.51 and 4,167,391.97
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Solution
The fourth proportional to 7,431,248.90, 10,254,303.51 and 4,167,391.97 is: 5,750,541.08
Step by Step Solution
- Step 1: Write the proportion equation
7,431,248.90 : 10,254,303.51 = 4,167,391.97 : x - Step 2: Convert to fraction form
7,431,248.90/10,254,303.51 = 4,167,391.97/x - Step 3: Cross multiply
7,431,248.90x = 10,254,303.51 × 4,167,391.97 - Step 4: Simplify right side
7,431,248.90x = 42,733,702,054,245.30 - Step 5: Solve for x
x = 42,733,702,054,245.30/7,431,248.90 - Step 6: Final answer
x = 5,750,541.08
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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.