Finding the Fourth Proportional to 28,440,815.42, 39,237,157.49 and 16,517,599.25
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Solution
The fourth proportional to 28,440,815.42, 39,237,157.49 and 16,517,599.25 is: 22,787,801.03
Step by Step Solution
- Step 1: Write the proportion equation
28,440,815.42 : 39,237,157.49 = 16,517,599.25 : x - Step 2: Convert to fraction form
28,440,815.42/39,237,157.49 = 16,517,599.25/x - Step 3: Cross multiply
28,440,815.42x = 39,237,157.49 × 16,517,599.25 - Step 4: Simplify right side
28,440,815.42x = 648,103,642,850,182 - Step 5: Solve for x
x = 648,103,642,850,182/28,440,815.42 - Step 6: Final answer
x = 22,787,801.03
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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.