Finding the Fourth Proportional to 10,125,772.44, 13,973,565.96 and 5,542,093.80
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Solution
The fourth proportional to 10,125,772.44, 13,973,565.96 and 5,542,093.80 is: 7,648,089.44
Step by Step Solution
- Step 1: Write the proportion equation
10,125,772.44 : 13,973,565.96 = 5,542,093.80 : x - Step 2: Convert to fraction form
10,125,772.44/13,973,565.96 = 5,542,093.80/x - Step 3: Cross multiply
10,125,772.44x = 13,973,565.96 × 5,542,093.80 - Step 4: Simplify right side
10,125,772.44x = 77,442,813,270,807.05 - Step 5: Solve for x
x = 77,442,813,270,807.05/10,125,772.44 - Step 6: Final answer
x = 7,648,089.44
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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.