Finding the Fourth Proportional to 11,451,534.70, 15,803,230.09 and 6,224,539.62
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Solution
The fourth proportional to 11,451,534.70, 15,803,230.09 and 6,224,539.62 is: 8,589,925.66
Step by Step Solution
- Step 1: Write the proportion equation
11,451,534.70 : 15,803,230.09 = 6,224,539.62 : x - Step 2: Convert to fraction form
11,451,534.70/15,803,230.09 = 6,224,539.62/x - Step 3: Cross multiply
11,451,534.70x = 15,803,230.09 × 6,224,539.62 - Step 4: Simplify right side
11,451,534.70x = 98,367,831,819,181.17 - Step 5: Solve for x
x = 98,367,831,819,181.17/11,451,534.70 - Step 6: Final answer
x = 8,589,925.66
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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.