Finding the Fourth Proportional to 19,170,240.84, 26,454,909.19 and 11,332,577.76
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Solution
The fourth proportional to 19,170,240.84, 26,454,909.19 and 11,332,577.76 is: 15,638,943.61
Step by Step Solution
- Step 1: Write the proportion equation
19,170,240.84 : 26,454,909.19 = 11,332,577.76 : x - Step 2: Convert to fraction form
19,170,240.84/26,454,909.19 = 11,332,577.76/x - Step 3: Cross multiply
19,170,240.84x = 26,454,909.19 × 11,332,577.76 - Step 4: Simplify right side
19,170,240.84x = 299,802,315,529,413.62 - Step 5: Solve for x
x = 299,802,315,529,413.62/19,170,240.84 - Step 6: Final answer
x = 15,638,943.61
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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.