Finding the Fourth Proportional to 7,669,969.38, 11,506,528.44 and 2,278,139.58
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Solution
The fourth proportional to 7,669,969.38, 11,506,528.44 and 2,278,139.58 is: 3,417,676.99
Step by Step Solution
- Step 1: Write the proportion equation
7,669,969.38 : 11,506,528.44 = 2,278,139.58 : x - Step 2: Convert to fraction form
7,669,969.38/11,506,528.44 = 2,278,139.58/x - Step 3: Cross multiply
7,669,969.38x = 11,506,528.44 × 2,278,139.58 - Step 4: Simplify right side
7,669,969.38x = 26,213,477,867,559.66 - Step 5: Solve for x
x = 26,213,477,867,559.66/7,669,969.38 - Step 6: Final answer
x = 3,417,676.99
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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.