Finding the Fourth Proportional to 27,525,088.29, 37,985,597.15 and 15,136,122.09
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Solution
The fourth proportional to 27,525,088.29, 37,985,597.15 and 15,136,122.09 is: 20,888,384.81
Step by Step Solution
- Step 1: Write the proportion equation
27,525,088.29 : 37,985,597.15 = 15,136,122.09 : x - Step 2: Convert to fraction form
27,525,088.29/37,985,597.15 = 15,136,122.09/x - Step 3: Cross multiply
27,525,088.29x = 37,985,597.15 × 15,136,122.09 - Step 4: Simplify right side
27,525,088.29x = 574,954,636,048,275.50 - Step 5: Solve for x
x = 574,954,636,048,275.50/27,525,088.29 - Step 6: Final answer
x = 20,888,384.81
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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.