Finding the Fourth Proportional to 7,197,554.13, 10,796,331.20 and 2,405,243.40
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Solution
The fourth proportional to 7,197,554.13, 10,796,331.20 and 2,405,243.40 is: 3,607,865.10
Step by Step Solution
- Step 1: Write the proportion equation
7,197,554.13 : 10,796,331.20 = 2,405,243.40 : x - Step 2: Convert to fraction form
7,197,554.13/10,796,331.20 = 2,405,243.40/x - Step 3: Cross multiply
7,197,554.13x = 10,796,331.20 × 2,405,243.40 - Step 4: Simplify right side
7,197,554.13x = 25,967,804,363,014.08 - Step 5: Solve for x
x = 25,967,804,363,014.08/7,197,554.13 - Step 6: Final answer
x = 3,607,865.10
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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.