Finding the Fourth Proportional to 18,897,894.14, 26,065,169.25 and 14,251,874.74
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Solution
The fourth proportional to 18,897,894.14, 26,065,169.25 and 14,251,874.74 is: 19,657,085.84
Step by Step Solution
- Step 1: Write the proportion equation
18,897,894.14 : 26,065,169.25 = 14,251,874.74 : x - Step 2: Convert to fraction form
18,897,894.14/26,065,169.25 = 14,251,874.74/x - Step 3: Cross multiply
18,897,894.14x = 26,065,169.25 × 14,251,874.74 - Step 4: Simplify right side
18,897,894.14x = 371,477,527,162,736.81 - Step 5: Solve for x
x = 371,477,527,162,736.81/18,897,894.14 - Step 6: Final answer
x = 19,657,085.84
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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.