Finding the Fourth Proportional to 38,882,344.62, 53,656,594.11 and 21,478,315.26
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Solution
The fourth proportional to 38,882,344.62, 53,656,594.11 and 21,478,315.26 is: 29,639,499.76
Step by Step Solution
- Step 1: Write the proportion equation
38,882,344.62 : 53,656,594.11 = 21,478,315.26 : x - Step 2: Convert to fraction form
38,882,344.62/53,656,594.11 = 21,478,315.26/x - Step 3: Cross multiply
38,882,344.62x = 53,656,594.11 × 21,478,315.26 - Step 4: Simplify right side
38,882,344.62x = 1,152,453,244,072,439.25 - Step 5: Solve for x
x = 1,152,453,244,072,439.25/38,882,344.62 - Step 6: Final answer
x = 29,639,499.76
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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.