Finding the Fourth Proportional to 7,106,766.47, 9,807,337.74 and 3,843,581.21
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Solution
The fourth proportional to 7,106,766.47, 9,807,337.74 and 3,843,581.21 is: 5,304,142.08
Step by Step Solution
- Step 1: Write the proportion equation
7,106,766.47 : 9,807,337.74 = 3,843,581.21 : x - Step 2: Convert to fraction form
7,106,766.47/9,807,337.74 = 3,843,581.21/x - Step 3: Cross multiply
7,106,766.47x = 9,807,337.74 × 3,843,581.21 - Step 4: Simplify right side
7,106,766.47x = 37,695,299,057,587.87 - Step 5: Solve for x
x = 37,695,299,057,587.87/7,106,766.47 - Step 6: Final answer
x = 5,304,142.08
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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.