Finding the Fourth Proportional to 13,007,700.08, 17,949,918.96 and 7,206,135.92
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Solution
The fourth proportional to 13,007,700.08, 17,949,918.96 and 7,206,135.92 is: 9,944,075.82
Step by Step Solution
- Step 1: Write the proportion equation
13,007,700.08 : 17,949,918.96 = 7,206,135.92 : x - Step 2: Convert to fraction form
13,007,700.08/17,949,918.96 = 7,206,135.92/x - Step 3: Cross multiply
13,007,700.08x = 17,949,918.96 × 7,206,135.92 - Step 4: Simplify right side
13,007,700.08x = 129,349,555,778,745.05 - Step 5: Solve for x
x = 129,349,555,778,745.05/13,007,700.08 - Step 6: Final answer
x = 9,944,075.82
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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.