Finding the Fourth Proportional to 14,042,047.77, 19,378,052.18 and 7,847,094.49
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Solution
The fourth proportional to 14,042,047.77, 19,378,052.18 and 7,847,094.49 is: 10,829,005.07
Step by Step Solution
- Step 1: Write the proportion equation
14,042,047.77 : 19,378,052.18 = 7,847,094.49 : x - Step 2: Convert to fraction form
14,042,047.77/19,378,052.18 = 7,847,094.49/x - Step 3: Cross multiply
14,042,047.77x = 19,378,052.18 × 7,847,094.49 - Step 4: Simplify right side
14,042,047.77x = 152,061,406,474,161.25 - Step 5: Solve for x
x = 152,061,406,474,161.25/14,042,047.77 - Step 6: Final answer
x = 10,829,005.07
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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.