Finding the Fourth Proportional to 28,503,871.84, 42,749,232.18 and 16,992,568.18
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Solution
The fourth proportional to 28,503,871.84, 42,749,232.18 and 16,992,568.18 is: 25,484,932.24
Step by Step Solution
- Step 1: Write the proportion equation
28,503,871.84 : 42,749,232.18 = 16,992,568.18 : x - Step 2: Convert to fraction form
28,503,871.84/42,749,232.18 = 16,992,568.18/x - Step 3: Cross multiply
28,503,871.84x = 42,749,232.18 × 16,992,568.18 - Step 4: Simplify right side
28,503,871.84x = 726,419,242,461,300 - Step 5: Solve for x
x = 726,419,242,461,300/28,503,871.84 - Step 6: Final answer
x = 25,484,932.24
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.