Finding the Fourth Proportional to 25,557,181.68, 35,269,637.40 and 13,955,481.84
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Solution
The fourth proportional to 25,557,181.68, 35,269,637.40 and 13,955,481.84 is: 19,258,961.74
Step by Step Solution
- Step 1: Write the proportion equation
25,557,181.68 : 35,269,637.40 = 13,955,481.84 : x - Step 2: Convert to fraction form
25,557,181.68/35,269,637.40 = 13,955,481.84/x - Step 3: Cross multiply
25,557,181.68x = 35,269,637.40 × 13,955,481.84 - Step 4: Simplify right side
25,557,181.68x = 492,204,784,239,084.81 - Step 5: Solve for x
x = 492,204,784,239,084.81/25,557,181.68 - Step 6: Final answer
x = 19,258,961.74
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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.