Finding the Fourth Proportional to 7,625,340.08, 11,439,947.66 and 2,160,428.94
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Solution
The fourth proportional to 7,625,340.08, 11,439,947.66 and 2,160,428.94 is: 3,241,192.36
Step by Step Solution
- Step 1: Write the proportion equation
7,625,340.08 : 11,439,947.66 = 2,160,428.94 : x - Step 2: Convert to fraction form
7,625,340.08/11,439,947.66 = 2,160,428.94/x - Step 3: Cross multiply
7,625,340.08x = 11,439,947.66 × 2,160,428.94 - Step 4: Simplify right side
7,625,340.08x = 24,715,193,962,887.13 - Step 5: Solve for x
x = 24,715,193,962,887.13/7,625,340.08 - Step 6: Final answer
x = 3,241,192.36
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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.