Finding the Fourth Proportional to 12,000,242.16, 16,560,378.07 and 6,493,617.07
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Solution
The fourth proportional to 12,000,242.16, 16,560,378.07 and 6,493,617.07 is: 8,961,215.30
Step by Step Solution
- Step 1: Write the proportion equation
12,000,242.16 : 16,560,378.07 = 6,493,617.07 : x - Step 2: Convert to fraction form
12,000,242.16/16,560,378.07 = 6,493,617.07/x - Step 3: Cross multiply
12,000,242.16x = 16,560,378.07 × 6,493,617.07 - Step 4: Simplify right side
12,000,242.16x = 107,536,753,663,370.67 - Step 5: Solve for x
x = 107,536,753,663,370.67/12,000,242.16 - Step 6: Final answer
x = 8,961,215.30
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1.5x scale
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.