Finding the Fourth Proportional to 13,067,596.81, 18,032,542.86 and 7,266,253.99
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Solution
The fourth proportional to 13,067,596.81, 18,032,542.86 and 7,266,253.99 is: 10,027,018.62
Step by Step Solution
- Step 1: Write the proportion equation
13,067,596.81 : 18,032,542.86 = 7,266,253.99 : x - Step 2: Convert to fraction form
13,067,596.81/18,032,542.86 = 7,266,253.99/x - Step 3: Cross multiply
13,067,596.81x = 18,032,542.86 × 7,266,253.99 - Step 4: Simplify right side
13,067,596.81x = 131,029,036,506,321.02 - Step 5: Solve for x
x = 131,029,036,506,321.02/13,067,596.81 - Step 6: Final answer
x = 10,027,018.62
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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.