Finding the Fourth Proportional to 14,998,862.40, 20,698,327.08 and 8,123,187.12
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Solution
The fourth proportional to 14,998,862.40, 20,698,327.08 and 8,123,187.12 is: 11,209,942.42
Step by Step Solution
- Step 1: Write the proportion equation
14,998,862.40 : 20,698,327.08 = 8,123,187.12 : x - Step 2: Convert to fraction form
14,998,862.40/20,698,327.08 = 8,123,187.12/x - Step 3: Cross multiply
14,998,862.40x = 20,698,327.08 × 8,123,187.12 - Step 4: Simplify right side
14,998,862.40x = 168,136,383,941,803.19 - Step 5: Solve for x
x = 168,136,383,941,803.19/14,998,862.40 - Step 6: Final answer
x = 11,209,942.42
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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.