Finding the Fourth Proportional to 7,678,349.99, 10,596,058.01 and 4,240,517.21
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Solution
The fourth proportional to 7,678,349.99, 10,596,058.01 and 4,240,517.21 is: 5,851,877.86
Step by Step Solution
- Step 1: Write the proportion equation
7,678,349.99 : 10,596,058.01 = 4,240,517.21 : x - Step 2: Convert to fraction form
7,678,349.99/10,596,058.01 = 4,240,517.21/x - Step 3: Cross multiply
7,678,349.99x = 10,596,058.01 × 4,240,517.21 - Step 4: Simplify right side
7,678,349.99x = 44,932,766,331,017.63 - Step 5: Solve for x
x = 44,932,766,331,017.63/7,678,349.99 - Step 6: Final answer
x = 5,851,877.86
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1.5x scale
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.