Finding the Fourth Proportional to 10,977,612.88, 15,149,325.12 and 6,394,229.50
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Solution
The fourth proportional to 10,977,612.88, 15,149,325.12 and 6,394,229.50 is: 8,824,164.47
Step by Step Solution
- Step 1: Write the proportion equation
10,977,612.88 : 15,149,325.12 = 6,394,229.50 : x - Step 2: Convert to fraction form
10,977,612.88/15,149,325.12 = 6,394,229.50/x - Step 3: Cross multiply
10,977,612.88x = 15,149,325.12 × 6,394,229.50 - Step 4: Simplify right side
10,977,612.88x = 96,868,261,587,395.03 - Step 5: Solve for x
x = 96,868,261,587,395.03/10,977,612.88 - Step 6: Final answer
x = 8,824,164.47
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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.