Finding the Fourth Proportional to 15,605,371.87, 23,382,495.87 and 8,311,087.17
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Solution
The fourth proportional to 15,605,371.87, 23,382,495.87 and 8,311,087.17 is: 12,453,017.02
Step by Step Solution
- Step 1: Write the proportion equation
15,605,371.87 : 23,382,495.87 = 8,311,087.17 : x - Step 2: Convert to fraction form
15,605,371.87/23,382,495.87 = 8,311,087.17/x - Step 3: Cross multiply
15,605,371.87x = 23,382,495.87 × 8,311,087.17 - Step 4: Simplify right side
15,605,371.87x = 194,333,961,427,735 - Step 5: Solve for x
x = 194,333,961,427,735/15,605,371.87 - Step 6: Final answer
x = 12,453,017.02
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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.