Finding the Fourth Proportional to 14,276,850.40, 21,371,535.60 and 7,867,482.40
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Solution
The fourth proportional to 14,276,850.40, 21,371,535.60 and 7,867,482.40 is: 11,777,119.99
Step by Step Solution
- Step 1: Write the proportion equation
14,276,850.40 : 21,371,535.60 = 7,867,482.40 : x - Step 2: Convert to fraction form
14,276,850.40/21,371,535.60 = 7,867,482.40/x - Step 3: Cross multiply
14,276,850.40x = 21,371,535.60 × 7,867,482.40 - Step 4: Simplify right side
14,276,850.40x = 168,140,180,193,973.47 - Step 5: Solve for x
x = 168,140,180,193,973.47/14,276,850.40 - Step 6: Final answer
x = 11,777,119.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.