Finding the Fourth Proportional to 7,832,127.48, 11,748,175.07 and 4,418,864.62
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Solution
The fourth proportional to 7,832,127.48, 11,748,175.07 and 4,418,864.62 is: 6,628,287.81
Step by Step Solution
- Step 1: Write the proportion equation
7,832,127.48 : 11,748,175.07 = 4,418,864.62 : x - Step 2: Convert to fraction form
7,832,127.48/11,748,175.07 = 4,418,864.62/x - Step 3: Cross multiply
7,832,127.48x = 11,748,175.07 × 4,418,864.62 - Step 4: Simplify right side
7,832,127.48x = 51,913,595,114,924.26 - Step 5: Solve for x
x = 51,913,595,114,924.26/7,832,127.48 - Step 6: Final answer
x = 6,628,287.81
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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.