Finding the Fourth Proportional to 7,863,057.40, 10,851,368.35 and 4,425,521.08
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Solution
The fourth proportional to 7,863,057.40, 10,851,368.35 and 4,425,521.08 is: 6,107,415.59
Step by Step Solution
- Step 1: Write the proportion equation
7,863,057.40 : 10,851,368.35 = 4,425,521.08 : x - Step 2: Convert to fraction form
7,863,057.40/10,851,368.35 = 4,425,521.08/x - Step 3: Cross multiply
7,863,057.40x = 10,851,368.35 × 4,425,521.08 - Step 4: Simplify right side
7,863,057.40x = 48,022,959,325,512.98 - Step 5: Solve for x
x = 48,022,959,325,512.98/7,863,057.40 - Step 6: Final answer
x = 6,107,415.59
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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.