Finding the Fourth Proportional to 7,330,449.78, 10,116,575.37 and 4,067,881.74
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Solution
The fourth proportional to 7,330,449.78, 10,116,575.37 and 4,067,881.74 is: 5,613,984.61
Step by Step Solution
- Step 1: Write the proportion equation
7,330,449.78 : 10,116,575.37 = 4,067,881.74 : x - Step 2: Convert to fraction form
7,330,449.78/10,116,575.37 = 4,067,881.74/x - Step 3: Cross multiply
7,330,449.78x = 10,116,575.37 × 4,067,881.74 - Step 4: Simplify right side
7,330,449.78x = 41,153,032,218,956.74 - Step 5: Solve for x
x = 41,153,032,218,956.74/7,330,449.78 - Step 6: Final answer
x = 5,613,984.61
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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.