Finding the Fourth Proportional to 27,864,687.04, 38,449,786.08 and 15,473,095.68
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Solution
The fourth proportional to 27,864,687.04, 38,449,786.08 and 15,473,095.68 is: 21,350,938.48
Step by Step Solution
- Step 1: Write the proportion equation
27,864,687.04 : 38,449,786.08 = 15,473,095.68 : x - Step 2: Convert to fraction form
27,864,687.04/38,449,786.08 = 15,473,095.68/x - Step 3: Cross multiply
27,864,687.04x = 38,449,786.08 × 15,473,095.68 - Step 4: Simplify right side
27,864,687.04x = 594,937,218,891,372.12 - Step 5: Solve for x
x = 594,937,218,891,372.12/27,864,687.04 - Step 6: Final answer
x = 21,350,938.48
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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.