Finding the Fourth Proportional to 7,132,918.68, 9,843,427.80 and 4,077,198.54
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Solution
The fourth proportional to 7,132,918.68, 9,843,427.80 and 4,077,198.54 is: 5,626,534.00
Step by Step Solution
- Step 1: Write the proportion equation
7,132,918.68 : 9,843,427.80 = 4,077,198.54 : x - Step 2: Convert to fraction form
7,132,918.68/9,843,427.80 = 4,077,198.54/x - Step 3: Cross multiply
7,132,918.68x = 9,843,427.80 × 4,077,198.54 - Step 4: Simplify right side
7,132,918.68x = 40,133,609,454,755.41 - Step 5: Solve for x
x = 40,133,609,454,755.41/7,132,918.68 - Step 6: Final answer
x = 5,626,534.00
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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.