Finding the Fourth Proportional to 8,291,649.48, 11,436,385.56 and 5,495,716.26
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Solution
The fourth proportional to 8,291,649.48, 11,436,385.56 and 5,495,716.26 is: 7,580,051.50
Step by Step Solution
- Step 1: Write the proportion equation
8,291,649.48 : 11,436,385.56 = 5,495,716.26 : x - Step 2: Convert to fraction form
8,291,649.48/11,436,385.56 = 5,495,716.26/x - Step 3: Cross multiply
8,291,649.48x = 11,436,385.56 × 5,495,716.26 - Step 4: Simplify right side
8,291,649.48x = 62,851,130,077,721.20 - Step 5: Solve for x
x = 62,851,130,077,721.20/8,291,649.48 - Step 6: Final answer
x = 7,580,051.50
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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.