Finding the Fourth Proportional to 7,387,690.05, 11,088,347.06 and 3,746,975.09
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Solution
The fourth proportional to 7,387,690.05, 11,088,347.06 and 3,746,975.09 is: 5,623,917.61
Step by Step Solution
- Step 1: Write the proportion equation
7,387,690.05 : 11,088,347.06 = 3,746,975.09 : x - Step 2: Convert to fraction form
7,387,690.05/11,088,347.06 = 3,746,975.09/x - Step 3: Cross multiply
7,387,690.05x = 11,088,347.06 × 3,746,975.09 - Step 4: Simplify right side
7,387,690.05x = 41,547,760,177,020.44 - Step 5: Solve for x
x = 41,547,760,177,020.44/7,387,690.05 - Step 6: Final answer
x = 5,623,917.61
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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.