Finding the Fourth Proportional to 8,486,394.08, 11,705,935.08 and 5,177,176.40
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Solution
The fourth proportional to 8,486,394.08, 11,705,935.08 and 5,177,176.40 is: 7,141,277.00
Step by Step Solution
- Step 1: Write the proportion equation
8,486,394.08 : 11,705,935.08 = 5,177,176.40 : x - Step 2: Convert to fraction form
8,486,394.08/11,705,935.08 = 5,177,176.40/x - Step 3: Cross multiply
8,486,394.08x = 11,705,935.08 × 5,177,176.40 - Step 4: Simplify right side
8,486,394.08x = 60,603,690,836,108.12 - Step 5: Solve for x
x = 60,603,690,836,108.12/8,486,394.08 - Step 6: Final answer
x = 7,141,277.00
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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.