Finding the Fourth Proportional to 7,239,410.64, 9,993,788.04 and 4,183,033.68
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Solution
The fourth proportional to 7,239,410.64, 9,993,788.04 and 4,183,033.68 is: 5,774,551.83
Step by Step Solution
- Step 1: Write the proportion equation
7,239,410.64 : 9,993,788.04 = 4,183,033.68 : x - Step 2: Convert to fraction form
7,239,410.64/9,993,788.04 = 4,183,033.68/x - Step 3: Cross multiply
7,239,410.64x = 9,993,788.04 × 4,183,033.68 - Step 4: Simplify right side
7,239,410.64x = 41,804,351,962,101.19 - Step 5: Solve for x
x = 41,804,351,962,101.19/7,239,410.64 - Step 6: Final answer
x = 5,774,551.83
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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.