Finding the Fourth Proportional to 18,466,792.59, 27,826,238.21 and 15,174,745.23
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Solution
The fourth proportional to 18,466,792.59, 27,826,238.21 and 15,174,745.23 is: 22,865,696.55
Step by Step Solution
- Step 1: Write the proportion equation
18,466,792.59 : 27,826,238.21 = 15,174,745.23 : x - Step 2: Convert to fraction form
18,466,792.59/27,826,238.21 = 15,174,745.23/x - Step 3: Cross multiply
18,466,792.59x = 27,826,238.21 × 15,174,745.23 - Step 4: Simplify right side
18,466,792.59x = 422,256,075,583,978.06 - Step 5: Solve for x
x = 422,256,075,583,978.06/18,466,792.59 - Step 6: Final answer
x = 22,865,696.55
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.