Finding the Fourth Proportional to 33,122,683.62, 45,707,101.20 and 18,437,972.36
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Solution
The fourth proportional to 33,122,683.62, 45,707,101.20 and 18,437,972.36 is: 25,443,175.98
Step by Step Solution
- Step 1: Write the proportion equation
33,122,683.62 : 45,707,101.20 = 18,437,972.36 : x - Step 2: Convert to fraction form
33,122,683.62/45,707,101.20 = 18,437,972.36/x - Step 3: Cross multiply
33,122,683.62x = 45,707,101.20 × 18,437,972.36 - Step 4: Simplify right side
33,122,683.62x = 842,746,268,352,787.38 - Step 5: Solve for x
x = 842,746,268,352,787.38/33,122,683.62 - Step 6: Final answer
x = 25,443,175.98
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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.