Finding the Fourth Proportional to 27,207,387.36, 37,547,891.28 and 14,984,241.12
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Solution
The fourth proportional to 27,207,387.36, 37,547,891.28 and 14,984,241.12 is: 20,679,187.20
Step by Step Solution
- Step 1: Write the proportion equation
27,207,387.36 : 37,547,891.28 = 14,984,241.12 : x - Step 2: Convert to fraction form
27,207,387.36/37,547,891.28 = 14,984,241.12/x - Step 3: Cross multiply
27,207,387.36x = 37,547,891.28 × 14,984,241.12 - Step 4: Simplify right side
27,207,387.36x = 562,626,656,487,065.44 - Step 5: Solve for x
x = 562,626,656,487,065.44/27,207,387.36 - Step 6: Final answer
x = 20,679,187.20
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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.