Finding the Fourth Proportional to 7,453,517.60, 11,181,831.60 and 4,256,026.40
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Solution
The fourth proportional to 7,453,517.60, 11,181,831.60 and 4,256,026.40 is: 6,384,927.63
Step by Step Solution
- Step 1: Write the proportion equation
7,453,517.60 : 11,181,831.60 = 4,256,026.40 : x - Step 2: Convert to fraction form
7,453,517.60/11,181,831.60 = 4,256,026.40/x - Step 3: Cross multiply
7,453,517.60x = 11,181,831.60 × 4,256,026.40 - Step 4: Simplify right side
7,453,517.60x = 47,590,170,489,954.24 - Step 5: Solve for x
x = 47,590,170,489,954.24/7,453,517.60 - Step 6: Final answer
x = 6,384,927.63
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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.