Finding the Fourth Proportional to 11,831,135.28, 16,326,966.66 and 6,398,627.28
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Solution
The fourth proportional to 11,831,135.28, 16,326,966.66 and 6,398,627.28 is: 8,830,105.63
Step by Step Solution
- Step 1: Write the proportion equation
11,831,135.28 : 16,326,966.66 = 6,398,627.28 : x - Step 2: Convert to fraction form
11,831,135.28/16,326,966.66 = 6,398,627.28/x - Step 3: Cross multiply
11,831,135.28x = 16,326,966.66 × 6,398,627.28 - Step 4: Simplify right side
11,831,135.28x = 104,470,174,270,326.48 - Step 5: Solve for x
x = 104,470,174,270,326.48/11,831,135.28 - Step 6: Final answer
x = 8,830,105.63
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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.