Finding the Fourth Proportional to 19,264,759.98, 28,901,399.49 and 6,484,843.50
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Solution
The fourth proportional to 19,264,759.98, 28,901,399.49 and 6,484,843.50 is: 9,728,699.08
Step by Step Solution
- Step 1: Write the proportion equation
19,264,759.98 : 28,901,399.49 = 6,484,843.50 : x - Step 2: Convert to fraction form
19,264,759.98/28,901,399.49 = 6,484,843.50/x - Step 3: Cross multiply
19,264,759.98x = 28,901,399.49 × 6,484,843.50 - Step 4: Simplify right side
19,264,759.98x = 187,421,052,623,629.81 - Step 5: Solve for x
x = 187,421,052,623,629.81/19,264,759.98 - Step 6: Final answer
x = 9,728,699.08
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1.5x scale
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.