Finding the Fourth Proportional to 27,312,853.80, 37,691,292.36 and 14,922,680.55
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Solution
The fourth proportional to 27,312,853.80, 37,691,292.36 and 14,922,680.55 is: 20,593,055.55
Step by Step Solution
- Step 1: Write the proportion equation
27,312,853.80 : 37,691,292.36 = 14,922,680.55 : x - Step 2: Convert to fraction form
27,312,853.80/37,691,292.36 = 14,922,680.55/x - Step 3: Cross multiply
27,312,853.80x = 37,691,292.36 × 14,922,680.55 - Step 4: Simplify right side
27,312,853.80x = 562,455,115,404,935.62 - Step 5: Solve for x
x = 562,455,115,404,935.62/27,312,853.80 - Step 6: Final answer
x = 20,593,055.55
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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.