Finding the Fourth Proportional to 9,813,206.10, 14,691,815.55 and 8,693,462.10
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Solution
The fourth proportional to 9,813,206.10, 14,691,815.55 and 8,693,462.10 is: 13,015,393.78
Step by Step Solution
- Step 1: Write the proportion equation
9,813,206.10 : 14,691,815.55 = 8,693,462.10 : x - Step 2: Convert to fraction form
9,813,206.10/14,691,815.55 = 8,693,462.10/x - Step 3: Cross multiply
9,813,206.10x = 14,691,815.55 × 8,693,462.10 - Step 4: Simplify right side
9,813,206.10x = 127,722,741,664,115.66 - Step 5: Solve for x
x = 127,722,741,664,115.66/9,813,206.10 - Step 6: Final answer
x = 13,015,393.78
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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.