Finding the Fourth Proportional to 19,708,517.08, 29,380,598.34 and 19,397,919.34
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Solution
The fourth proportional to 19,708,517.08, 29,380,598.34 and 19,397,919.34 is: 28,917,572.77
Step by Step Solution
- Step 1: Write the proportion equation
19,708,517.08 : 29,380,598.34 = 19,397,919.34 : x - Step 2: Convert to fraction form
19,708,517.08/29,380,598.34 = 19,397,919.34/x - Step 3: Cross multiply
19,708,517.08x = 29,380,598.34 × 19,397,919.34 - Step 4: Simplify right side
19,708,517.08x = 569,922,476,760,257.88 - Step 5: Solve for x
x = 569,922,476,760,257.88/19,708,517.08 - Step 6: Final answer
x = 28,917,572.77
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.