Finding the Fourth Proportional to 19,894,185.14, 27,451,540.05 and 12,549,260.66
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Solution
The fourth proportional to 19,894,185.14, 27,451,540.05 and 12,549,260.66 is: 17,316,443.43
Step by Step Solution
- Step 1: Write the proportion equation
19,894,185.14 : 27,451,540.05 = 12,549,260.66 : x - Step 2: Convert to fraction form
19,894,185.14/27,451,540.05 = 12,549,260.66/x - Step 3: Cross multiply
19,894,185.14x = 27,451,540.05 × 12,549,260.66 - Step 4: Simplify right side
19,894,185.14x = 344,496,531,605,879.44 - Step 5: Solve for x
x = 344,496,531,605,879.44/19,894,185.14 - Step 6: Final answer
x = 17,316,443.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.