Finding the Fourth Proportional to 7,292,292.25, 10,063,092.08 and 4,029,036.74
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Solution
The fourth proportional to 7,292,292.25, 10,063,092.08 and 4,029,036.74 is: 5,559,920.85
Step by Step Solution
- Step 1: Write the proportion equation
7,292,292.25 : 10,063,092.08 = 4,029,036.74 : x - Step 2: Convert to fraction form
7,292,292.25/10,063,092.08 = 4,029,036.74/x - Step 3: Cross multiply
7,292,292.25x = 10,063,092.08 × 4,029,036.74 - Step 4: Simplify right side
7,292,292.25x = 40,544,567,751,087.95 - Step 5: Solve for x
x = 40,544,567,751,087.95/7,292,292.25 - Step 6: Final answer
x = 5,559,920.85
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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.