Finding the Fourth Proportional to 27,915,312.48, 41,872,983.29 and 8,747,569.68
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Solution
The fourth proportional to 27,915,312.48, 41,872,983.29 and 8,747,569.68 is: 13,121,359.09
Step by Step Solution
- Step 1: Write the proportion equation
27,915,312.48 : 41,872,983.29 = 8,747,569.68 : x - Step 2: Convert to fraction form
27,915,312.48/41,872,983.29 = 8,747,569.68/x - Step 3: Cross multiply
27,915,312.48x = 41,872,983.29 × 8,747,569.68 - Step 4: Simplify right side
27,915,312.48x = 366,286,839,038,750.62 - Step 5: Solve for x
x = 366,286,839,038,750.62/27,915,312.48 - Step 6: Final answer
x = 13,121,359.09
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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.