Finding the Fourth Proportional to 19,291,180.75, 26,621,495.35 and 10,470,442.75
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Solution
The fourth proportional to 19,291,180.75, 26,621,495.35 and 10,470,442.75 is: 14,449,029.67
Step by Step Solution
- Step 1: Write the proportion equation
19,291,180.75 : 26,621,495.35 = 10,470,442.75 : x - Step 2: Convert to fraction form
19,291,180.75/26,621,495.35 = 10,470,442.75/x - Step 3: Cross multiply
19,291,180.75x = 26,621,495.35 × 10,470,442.75 - Step 4: Simplify right side
19,291,180.75x = 278,738,842,981,566.22 - Step 5: Solve for x
x = 278,738,842,981,566.22/19,291,180.75 - Step 6: Final answer
x = 14,449,029.67
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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.