Finding the Fourth Proportional to 18,684,119.44, 28,023,768.42 and 5,905,915.84
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Solution
The fourth proportional to 18,684,119.44, 28,023,768.42 and 5,905,915.84 is: 8,858,111.74
Step by Step Solution
- Step 1: Write the proportion equation
18,684,119.44 : 28,023,768.42 = 5,905,915.84 : x - Step 2: Convert to fraction form
18,684,119.44/28,023,768.42 = 5,905,915.84/x - Step 3: Cross multiply
18,684,119.44x = 28,023,768.42 × 5,905,915.84 - Step 4: Simplify right side
18,684,119.44x = 165,506,017,808,169.78 - Step 5: Solve for x
x = 165,506,017,808,169.78/18,684,119.44 - Step 6: Final answer
x = 8,858,111.74
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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.