Finding the Fourth Proportional to 14,039,193.12, 19,372,305.56 and 8,235,857.40
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Solution
The fourth proportional to 14,039,193.12, 19,372,305.56 and 8,235,857.40 is: 11,364,438.45
Step by Step Solution
- Step 1: Write the proportion equation
14,039,193.12 : 19,372,305.56 = 8,235,857.40 : x - Step 2: Convert to fraction form
14,039,193.12/19,372,305.56 = 8,235,857.40/x - Step 3: Cross multiply
14,039,193.12x = 19,372,305.56 × 8,235,857.40 - Step 4: Simplify right side
14,039,193.12x = 159,547,546,101,387.12 - Step 5: Solve for x
x = 159,547,546,101,387.12/14,039,193.12 - Step 6: Final answer
x = 11,364,438.45
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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.