Finding the Fourth Proportional to 13,067,598.81, 18,032,545.62 and 7,266,255.99
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Solution
The fourth proportional to 13,067,598.81, 18,032,545.62 and 7,266,255.99 is: 10,027,021.38
Step by Step Solution
- Step 1: Write the proportion equation
13,067,598.81 : 18,032,545.62 = 7,266,255.99 : x - Step 2: Convert to fraction form
13,067,598.81/18,032,545.62 = 7,266,255.99/x - Step 3: Cross multiply
13,067,598.81x = 18,032,545.62 × 7,266,255.99 - Step 4: Simplify right side
13,067,598.81x = 131,029,092,626,273.28 - Step 5: Solve for x
x = 131,029,092,626,273.28/13,067,598.81 - Step 6: Final answer
x = 10,027,021.38
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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.