Finding the Fourth Proportional to 11,023,683.96, 15,212,351.16 and 6,129,013.90
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Solution
The fourth proportional to 11,023,683.96, 15,212,351.16 and 6,129,013.90 is: 8,457,854.20
Step by Step Solution
- Step 1: Write the proportion equation
11,023,683.96 : 15,212,351.16 = 6,129,013.90 : x - Step 2: Convert to fraction form
11,023,683.96/15,212,351.16 = 6,129,013.90/x - Step 3: Cross multiply
11,023,683.96x = 15,212,351.16 × 6,129,013.90 - Step 4: Simplify right side
11,023,683.96x = 93,236,711,711,321.12 - Step 5: Solve for x
x = 93,236,711,711,321.12/11,023,683.96 - Step 6: Final answer
x = 8,457,854.20
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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.