Finding the Fourth Proportional to 11,787,973.20, 16,268,347.80 and 6,631,027.20
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Solution
The fourth proportional to 11,787,973.20, 16,268,347.80 and 6,631,027.20 is: 9,151,349.00
Step by Step Solution
- Step 1: Write the proportion equation
11,787,973.20 : 16,268,347.80 = 6,631,027.20 : x - Step 2: Convert to fraction form
11,787,973.20/16,268,347.80 = 6,631,027.20/x - Step 3: Cross multiply
11,787,973.20x = 16,268,347.80 × 6,631,027.20 - Step 4: Simplify right side
11,787,973.20x = 107,875,856,760,860.17 - Step 5: Solve for x
x = 107,875,856,760,860.17/11,787,973.20 - Step 6: Final answer
x = 9,151,349.00
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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.