Finding the Fourth Proportional to 10,678,947.84, 16,018,252.08 and 2,591,990.40
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Solution
The fourth proportional to 10,678,947.84, 16,018,252.08 and 2,591,990.40 is: 3,887,944.42
Step by Step Solution
- Step 1: Write the proportion equation
10,678,947.84 : 16,018,252.08 = 2,591,990.40 : x - Step 2: Convert to fraction form
10,678,947.84/16,018,252.08 = 2,591,990.40/x - Step 3: Cross multiply
10,678,947.84x = 16,018,252.08 × 2,591,990.40 - Step 4: Simplify right side
10,678,947.84x = 41,519,155,616,140.03 - Step 5: Solve for x
x = 41,519,155,616,140.03/10,678,947.84 - Step 6: Final answer
x = 3,887,944.42
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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.