Finding the Fourth Proportional to 7,669,394.66, 11,483,107.72 and 7,466,113.02
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Solution
The fourth proportional to 7,669,394.66, 11,483,107.72 and 7,466,113.02 is: 11,178,741.46
Step by Step Solution
- Step 1: Write the proportion equation
7,669,394.66 : 11,483,107.72 = 7,466,113.02 : x - Step 2: Convert to fraction form
7,669,394.66/11,483,107.72 = 7,466,113.02/x - Step 3: Cross multiply
7,669,394.66x = 11,483,107.72 × 7,466,113.02 - Step 4: Simplify right side
7,669,394.66x = 85,734,180,058,354.52 - Step 5: Solve for x
x = 85,734,180,058,354.52/7,669,394.66 - Step 6: Final answer
x = 11,178,741.46
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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.