Finding the Fourth Proportional to 8,697,230.90, 13,045,846.35 and 8,201,219.30
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Solution
The fourth proportional to 8,697,230.90, 13,045,846.35 and 8,201,219.30 is: 12,301,828.95
Step by Step Solution
- Step 1: Write the proportion equation
8,697,230.90 : 13,045,846.35 = 8,201,219.30 : x - Step 2: Convert to fraction form
8,697,230.90/13,045,846.35 = 8,201,219.30/x - Step 3: Cross multiply
8,697,230.90x = 13,045,846.35 × 8,201,219.30 - Step 4: Simplify right side
8,697,230.90x = 106,991,846,870,454.55 - Step 5: Solve for x
x = 106,991,846,870,454.55/8,697,230.90 - Step 6: Final answer
x = 12,301,828.95
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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.