Finding the Fourth Proportional to 12,314,749.05, 16,994,258.99 and 6,808,355.99
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Solution
The fourth proportional to 12,314,749.05, 16,994,258.99 and 6,808,355.99 is: 9,395,478.91
Step by Step Solution
- Step 1: Write the proportion equation
12,314,749.05 : 16,994,258.99 = 6,808,355.99 : x - Step 2: Convert to fraction form
12,314,749.05/16,994,258.99 = 6,808,355.99/x - Step 3: Cross multiply
12,314,749.05x = 16,994,258.99 × 6,808,355.99 - Step 4: Simplify right side
12,314,749.05x = 115,702,964,990,177.84 - Step 5: Solve for x
x = 115,702,964,990,177.84/12,314,749.05 - Step 6: Final answer
x = 9,395,478.91
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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.