Finding the Fourth Proportional to 7,347,616.20, 11,021,459.52 and 2,230,090.56
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Solution
The fourth proportional to 7,347,616.20, 11,021,459.52 and 2,230,090.56 is: 3,345,146.53
Step by Step Solution
- Step 1: Write the proportion equation
7,347,616.20 : 11,021,459.52 = 2,230,090.56 : x - Step 2: Convert to fraction form
7,347,616.20/11,021,459.52 = 2,230,090.56/x - Step 3: Cross multiply
7,347,616.20x = 11,021,459.52 × 2,230,090.56 - Step 4: Simplify right side
7,347,616.20x = 24,578,852,832,974.13 - Step 5: Solve for x
x = 24,578,852,832,974.13/7,347,616.20 - Step 6: Final answer
x = 3,345,146.53
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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.