Finding the Fourth Proportional to 18,986,535.95, 26,201,545.38 and 10,284,708.49
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Solution
The fourth proportional to 18,986,535.95, 26,201,545.38 and 10,284,708.49 is: 14,192,965.84
Step by Step Solution
- Step 1: Write the proportion equation
18,986,535.95 : 26,201,545.38 = 10,284,708.49 : x - Step 2: Convert to fraction form
18,986,535.95/26,201,545.38 = 10,284,708.49/x - Step 3: Cross multiply
18,986,535.95x = 26,201,545.38 × 10,284,708.49 - Step 4: Simplify right side
18,986,535.95x = 269,475,256,155,302.41 - Step 5: Solve for x
x = 269,475,256,155,302.41/18,986,535.95 - Step 6: Final answer
x = 14,192,965.84
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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.