Finding the Fourth Proportional to 21,334,912.00, 29,442,178.58 and 11,545,356.18
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Solution
The fourth proportional to 21,334,912.00, 29,442,178.58 and 11,545,356.18 is: 15,932,591.54
Step by Step Solution
- Step 1: Write the proportion equation
21,334,912.00 : 29,442,178.58 = 11,545,356.18 : x - Step 2: Convert to fraction form
21,334,912.00/29,442,178.58 = 11,545,356.18/x - Step 3: Cross multiply
21,334,912.00x = 29,442,178.58 × 11,545,356.18 - Step 4: Simplify right side
21,334,912.00x = 339,920,438,363,539.81 - Step 5: Solve for x
x = 339,920,438,363,539.81/21,334,912.00 - Step 6: Final answer
x = 15,932,591.54
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1.5x scale
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.