Finding the Fourth Proportional to 11,306,709.80, 16,960,064.70 and 6,771,746.60
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Solution
The fourth proportional to 11,306,709.80, 16,960,064.70 and 6,771,746.60 is: 10,157,619.90
Step by Step Solution
- Step 1: Write the proportion equation
11,306,709.80 : 16,960,064.70 = 6,771,746.60 : x - Step 2: Convert to fraction form
11,306,709.80/16,960,064.70 = 6,771,746.60/x - Step 3: Cross multiply
11,306,709.80x = 16,960,064.70 × 6,771,746.60 - Step 4: Simplify right side
11,306,709.80x = 114,849,260,468,005.02 - Step 5: Solve for x
x = 114,849,260,468,005.02/11,306,709.80 - Step 6: Final answer
x = 10,157,619.90
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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.