Finding the Fourth Proportional to 27,864,685.04, 38,449,783.32 and 15,473,093.68
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Solution
The fourth proportional to 27,864,685.04, 38,449,783.32 and 15,473,093.68 is: 21,350,935.72
Step by Step Solution
- Step 1: Write the proportion equation
27,864,685.04 : 38,449,783.32 = 15,473,093.68 : x - Step 2: Convert to fraction form
27,864,685.04/38,449,783.32 = 15,473,093.68/x - Step 3: Cross multiply
27,864,685.04x = 38,449,783.32 × 15,473,093.68 - Step 4: Simplify right side
27,864,685.04x = 594,937,099,286,061.38 - Step 5: Solve for x
x = 594,937,099,286,061.38/27,864,685.04 - Step 6: Final answer
x = 21,350,935.72
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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.