Finding the Fourth Proportional to 7,687,308.48, 11,528,633.45 and 4,042,074.07
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Solution
The fourth proportional to 7,687,308.48, 11,528,633.45 and 4,042,074.07 is: 6,061,886.35
Step by Step Solution
- Step 1: Write the proportion equation
7,687,308.48 : 11,528,633.45 = 4,042,074.07 : x - Step 2: Convert to fraction form
7,687,308.48/11,528,633.45 = 4,042,074.07/x - Step 3: Cross multiply
7,687,308.48x = 11,528,633.45 × 4,042,074.07 - Step 4: Simplify right side
7,687,308.48x = 46,599,590,312,063.24 - Step 5: Solve for x
x = 46,599,590,312,063.24/7,687,308.48 - Step 6: Final answer
x = 6,061,886.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.