Finding the Fourth Proportional to 13,235,460.54, 18,264,537.60 and 7,355,075.00
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Solution
The fourth proportional to 13,235,460.54, 18,264,537.60 and 7,355,075.00 is: 10,149,782.35
Step by Step Solution
- Step 1: Write the proportion equation
13,235,460.54 : 18,264,537.60 = 7,355,075.00 : x - Step 2: Convert to fraction form
13,235,460.54/18,264,537.60 = 7,355,075.00/x - Step 3: Cross multiply
13,235,460.54x = 18,264,537.60 × 7,355,075.00 - Step 4: Simplify right side
13,235,460.54x = 134,337,043,796,997.33 - Step 5: Solve for x
x = 134,337,043,796,997.33/13,235,460.54 - Step 6: Final answer
x = 10,149,782.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.