Finding the Fourth Proportional to 38,093,320.18, 52,568,931.99 and 20,689,955.83
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Solution
The fourth proportional to 38,093,320.18, 52,568,931.99 and 20,689,955.83 is: 28,552,220.59
Step by Step Solution
- Step 1: Write the proportion equation
38,093,320.18 : 52,568,931.99 = 20,689,955.83 : x - Step 2: Convert to fraction form
38,093,320.18/52,568,931.99 = 20,689,955.83/x - Step 3: Cross multiply
38,093,320.18x = 52,568,931.99 × 20,689,955.83 - Step 4: Simplify right side
38,093,320.18x = 1,087,648,880,903,374 - Step 5: Solve for x
x = 1,087,648,880,903,374/38,093,320.18 - Step 6: Final answer
x = 28,552,220.59
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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.