Finding the Fourth Proportional to 6,915,294.66, 9,534,235.06 and 5,670,318.18
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Solution
The fourth proportional to 6,915,294.66, 9,534,235.06 and 5,670,318.18 is: 7,817,764.69
Step by Step Solution
- Step 1: Write the proportion equation
6,915,294.66 : 9,534,235.06 = 5,670,318.18 : x - Step 2: Convert to fraction form
6,915,294.66/9,534,235.06 = 5,670,318.18/x - Step 3: Cross multiply
6,915,294.66x = 9,534,235.06 × 5,670,318.18 - Step 4: Simplify right side
6,915,294.66x = 54,062,146,393,111.39 - Step 5: Solve for x
x = 54,062,146,393,111.39/6,915,294.66 - Step 6: Final answer
x = 7,817,764.69
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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.