Finding the Fourth Proportional to 19,628,971.07, 29,441,203.99 and 5,253,160.32
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Solution
The fourth proportional to 19,628,971.07, 29,441,203.99 and 5,253,160.32 is: 7,879,137.63
Step by Step Solution
- Step 1: Write the proportion equation
19,628,971.07 : 29,441,203.99 = 5,253,160.32 : x - Step 2: Convert to fraction form
19,628,971.07/29,441,203.99 = 5,253,160.32/x - Step 3: Cross multiply
19,628,971.07x = 29,441,203.99 × 5,253,160.32 - Step 4: Simplify right side
19,628,971.07x = 154,659,364,560,160.78 - Step 5: Solve for x
x = 154,659,364,560,160.78/19,628,971.07 - Step 6: Final answer
x = 7,879,137.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.