Finding the Fourth Proportional to 7,230,484.24, 9,968,989.48 and 5,293,381.84
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Solution
The fourth proportional to 7,230,484.24, 9,968,989.48 and 5,293,381.84 is: 7,298,220.44
Step by Step Solution
- Step 1: Write the proportion equation
7,230,484.24 : 9,968,989.48 = 5,293,381.84 : x - Step 2: Convert to fraction form
7,230,484.24/9,968,989.48 = 5,293,381.84/x - Step 3: Cross multiply
7,230,484.24x = 9,968,989.48 × 5,293,381.84 - Step 4: Simplify right side
7,230,484.24x = 52,769,667,876,583.05 - Step 5: Solve for x
x = 52,769,667,876,583.05/7,230,484.24 - Step 6: Final answer
x = 7,298,220.44
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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.