Finding the Fourth Proportional to 38,216,471.36, 52,738,363.68 and 20,813,108
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Solution
The fourth proportional to 38,216,471.36, 52,738,363.68 and 20,813,108 is: 28,721,889.28
Step by Step Solution
- Step 1: Write the proportion equation
38,216,471.36 : 52,738,363.68 = 20,813,108 : x - Step 2: Convert to fraction form
38,216,471.36/52,738,363.68 = 20,813,108/x - Step 3: Cross multiply
38,216,471.36x = 52,738,363.68 × 20,813,108 - Step 4: Simplify right side
38,216,471.36x = 1,097,649,259,015,117.38 - Step 5: Solve for x
x = 1,097,649,259,015,117.38/38,216,471.36 - Step 6: Final answer
x = 28,721,889.28
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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.