Finding the Fourth Proportional to 7,326,555.42, 10,101,354.68 and 5,235,894.92
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Solution
The fourth proportional to 7,326,555.42, 10,101,354.68 and 5,235,894.92 is: 7,218,894.64
Step by Step Solution
- Step 1: Write the proportion equation
7,326,555.42 : 10,101,354.68 = 5,235,894.92 : x - Step 2: Convert to fraction form
7,326,555.42/10,101,354.68 = 5,235,894.92/x - Step 3: Cross multiply
7,326,555.42x = 10,101,354.68 × 5,235,894.92 - Step 4: Simplify right side
7,326,555.42x = 52,889,631,654,130.23 - Step 5: Solve for x
x = 52,889,631,654,130.23/7,326,555.42 - Step 6: Final answer
x = 7,218,894.64
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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.