Finding the Fourth Proportional to 7,726,271.60, 11,590,962.60 and 6,472,780.40
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Solution
The fourth proportional to 7,726,271.60, 11,590,962.60 and 6,472,780.40 is: 9,710,473.49
Step by Step Solution
- Step 1: Write the proportion equation
7,726,271.60 : 11,590,962.60 = 6,472,780.40 : x - Step 2: Convert to fraction form
7,726,271.60/11,590,962.60 = 6,472,780.40/x - Step 3: Cross multiply
7,726,271.60x = 11,590,962.60 × 6,472,780.40 - Step 4: Simplify right side
7,726,271.60x = 75,025,755,534,413.05 - Step 5: Solve for x
x = 75,025,755,534,413.05/7,726,271.60 - Step 6: Final answer
x = 9,710,473.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.