Finding the Fourth Proportional to 33,255,532.60, 49,899,887.70 and 18,889,631.80
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Solution
The fourth proportional to 33,255,532.60, 49,899,887.70 and 18,889,631.80 is: 28,343,870.38
Step by Step Solution
- Step 1: Write the proportion equation
33,255,532.60 : 49,899,887.70 = 18,889,631.80 : x - Step 2: Convert to fraction form
33,255,532.60/49,899,887.70 = 18,889,631.80/x - Step 3: Cross multiply
33,255,532.60x = 49,899,887.70 × 18,889,631.80 - Step 4: Simplify right side
33,255,532.60x = 942,590,505,514,349 - Step 5: Solve for x
x = 942,590,505,514,349/33,255,532.60 - Step 6: Final answer
x = 28,343,870.38
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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.