Finding the Fourth Proportional to 7,114,739.24, 9,818,338.06 and 3,851,551.54
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Solution
The fourth proportional to 7,114,739.24, 9,818,338.06 and 3,851,551.54 is: 5,315,139.99
Step by Step Solution
- Step 1: Write the proportion equation
7,114,739.24 : 9,818,338.06 = 3,851,551.54 : x - Step 2: Convert to fraction form
7,114,739.24/9,818,338.06 = 3,851,551.54/x - Step 3: Cross multiply
7,114,739.24x = 9,818,338.06 × 3,851,551.54 - Step 4: Simplify right side
7,114,739.24x = 37,815,835,075,233.62 - Step 5: Solve for x
x = 37,815,835,075,233.62/7,114,739.24 - Step 6: Final answer
x = 5,315,139.99
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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.