Finding the Fourth Proportional to 31,449,832.24, 43,402,554.74 and 18,894,727.16
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Solution
The fourth proportional to 31,449,832.24, 43,402,554.74 and 18,894,727.16 is: 26,075,796.64
Step by Step Solution
- Step 1: Write the proportion equation
31,449,832.24 : 43,402,554.74 = 18,894,727.16 : x - Step 2: Convert to fraction form
31,449,832.24/43,402,554.74 = 18,894,727.16/x - Step 3: Cross multiply
31,449,832.24x = 43,402,554.74 × 18,894,727.16 - Step 4: Simplify right side
31,449,832.24x = 820,079,429,859,264.75 - Step 5: Solve for x
x = 820,079,429,859,264.75/31,449,832.24 - Step 6: Final answer
x = 26,075,796.64
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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.