Finding the Fourth Proportional to 7,202,203.48, 9,938,901 and 3,939,008.08
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Solution
The fourth proportional to 7,202,203.48, 9,938,901 and 3,939,008.08 is: 5,435,754.69
Step by Step Solution
- Step 1: Write the proportion equation
7,202,203.48 : 9,938,901 = 3,939,008.08 : x - Step 2: Convert to fraction form
7,202,203.48/9,938,901 = 3,939,008.08/x - Step 3: Cross multiply
7,202,203.48x = 9,938,901 × 3,939,008.08 - Step 4: Simplify right side
7,202,203.48x = 39,149,411,345,320.08 - Step 5: Solve for x
x = 39,149,411,345,320.08/7,202,203.48 - Step 6: Final answer
x = 5,435,754.69
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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.