Finding the Fourth Proportional to 14,114,930.63, 19,478,514.03 and 7,835,390.24
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Solution
The fourth proportional to 14,114,930.63, 19,478,514.03 and 7,835,390.24 is: 10,812,788.44
Step by Step Solution
- Step 1: Write the proportion equation
14,114,930.63 : 19,478,514.03 = 7,835,390.24 : x - Step 2: Convert to fraction form
14,114,930.63/19,478,514.03 = 7,835,390.24/x - Step 3: Cross multiply
14,114,930.63x = 19,478,514.03 × 7,835,390.24 - Step 4: Simplify right side
14,114,930.63x = 152,621,758,720,365.09 - Step 5: Solve for x
x = 152,621,758,720,365.09/14,114,930.63 - Step 6: Final answer
x = 10,812,788.44
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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.