Finding the Fourth Proportional to 33,106,925.68, 45,661,674.72 and 21,508,226.26
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Solution
The fourth proportional to 33,106,925.68, 45,661,674.72 and 21,508,226.26 is: 29,664,537.29
Step by Step Solution
- Step 1: Write the proportion equation
33,106,925.68 : 45,661,674.72 = 21,508,226.26 : x - Step 2: Convert to fraction form
33,106,925.68/45,661,674.72 = 21,508,226.26/x - Step 3: Cross multiply
33,106,925.68x = 45,661,674.72 × 21,508,226.26 - Step 4: Simplify right side
33,106,925.68x = 982,101,631,288,282.25 - Step 5: Solve for x
x = 982,101,631,288,282.25/33,106,925.68 - Step 6: Final answer
x = 29,664,537.29
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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.