Finding the Fourth Proportional to 22,955,475.60, 31,677,342.12 and 13,165,413.84
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Solution
The fourth proportional to 22,955,475.60, 31,677,342.12 and 13,165,413.84 is: 18,167,574.73
Step by Step Solution
- Step 1: Write the proportion equation
22,955,475.60 : 31,677,342.12 = 13,165,413.84 : x - Step 2: Convert to fraction form
22,955,475.60/31,677,342.12 = 13,165,413.84/x - Step 3: Cross multiply
22,955,475.60x = 31,677,342.12 × 13,165,413.84 - Step 4: Simplify right side
22,955,475.60x = 417,045,318,361,062.94 - Step 5: Solve for x
x = 417,045,318,361,062.94/22,955,475.60 - Step 6: Final answer
x = 18,167,574.73
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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.