Finding the Fourth Proportional to 11,997,963.60, 17,993,242.08 and 3,478,927.92
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Solution
The fourth proportional to 11,997,963.60, 17,993,242.08 and 3,478,927.92 is: 5,217,318.07
Step by Step Solution
- Step 1: Write the proportion equation
11,997,963.60 : 17,993,242.08 = 3,478,927.92 : x - Step 2: Convert to fraction form
11,997,963.60/17,993,242.08 = 3,478,927.92/x - Step 3: Cross multiply
11,997,963.60x = 17,993,242.08 × 3,478,927.92 - Step 4: Simplify right side
11,997,963.60x = 62,597,192,243,430.87 - Step 5: Solve for x
x = 62,597,192,243,430.87/11,997,963.60 - Step 6: Final answer
x = 5,217,318.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.