Finding the Fourth Proportional to 8,242,389.34, 12,364,174.32 and 2,177,060.62
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Solution
The fourth proportional to 8,242,389.34, 12,364,174.32 and 2,177,060.62 is: 3,265,746.85
Step by Step Solution
- Step 1: Write the proportion equation
8,242,389.34 : 12,364,174.32 = 2,177,060.62 : x - Step 2: Convert to fraction form
8,242,389.34/12,364,174.32 = 2,177,060.62/x - Step 3: Cross multiply
8,242,389.34x = 12,364,174.32 × 2,177,060.62 - Step 4: Simplify right side
8,242,389.34x = 26,917,557,010,887.28 - Step 5: Solve for x
x = 26,917,557,010,887.28/8,242,389.34 - Step 6: Final answer
x = 3,265,746.85
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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.