Finding the Fourth Proportional to 26,202,232.80, 39,273,824.70 and 12,561,913.80
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Solution
The fourth proportional to 26,202,232.80, 39,273,824.70 and 12,561,913.80 is: 18,828,716.02
Step by Step Solution
- Step 1: Write the proportion equation
26,202,232.80 : 39,273,824.70 = 12,561,913.80 : x - Step 2: Convert to fraction form
26,202,232.80/39,273,824.70 = 12,561,913.80/x - Step 3: Cross multiply
26,202,232.80x = 39,273,824.70 × 12,561,913.80 - Step 4: Simplify right side
26,202,232.80x = 493,354,400,477,710.94 - Step 5: Solve for x
x = 493,354,400,477,710.94/26,202,232.80 - Step 6: Final answer
x = 18,828,716.02
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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.