Finding the Fourth Proportional to 14,039,194.12, 19,372,306.94 and 8,235,858.40
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Solution
The fourth proportional to 14,039,194.12, 19,372,306.94 and 8,235,858.40 is: 11,364,439.83
Step by Step Solution
- Step 1: Write the proportion equation
14,039,194.12 : 19,372,306.94 = 8,235,858.40 : x - Step 2: Convert to fraction form
14,039,194.12/19,372,306.94 = 8,235,858.40/x - Step 3: Cross multiply
14,039,194.12x = 19,372,306.94 × 8,235,858.40 - Step 4: Simplify right side
14,039,194.12x = 159,547,576,839,177.31 - Step 5: Solve for x
x = 159,547,576,839,177.31/14,039,194.12 - Step 6: Final answer
x = 11,364,439.83
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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.