Finding the Fourth Proportional to 19,175,669.44, 28,763,611.92 and 6,396,139.12
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Solution
The fourth proportional to 19,175,669.44, 28,763,611.92 and 6,396,139.12 is: 9,594,244.62
Step by Step Solution
- Step 1: Write the proportion equation
19,175,669.44 : 28,763,611.92 = 6,396,139.12 : x - Step 2: Convert to fraction form
19,175,669.44/28,763,611.92 = 6,396,139.12/x - Step 3: Cross multiply
19,175,669.44x = 28,763,611.92 × 6,396,139.12 - Step 4: Simplify right side
19,175,669.44x = 183,976,063,434,010.31 - Step 5: Solve for x
x = 183,976,063,434,010.31/19,175,669.44 - Step 6: Final answer
x = 9,594,244.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.