Finding the Fourth Proportional to 11,203,767.80, 16,805,651.70 and 11,097,479.60
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Solution
The fourth proportional to 11,203,767.80, 16,805,651.70 and 11,097,479.60 is: 16,646,219.40
Step by Step Solution
- Step 1: Write the proportion equation
11,203,767.80 : 16,805,651.70 = 11,097,479.60 : x - Step 2: Convert to fraction form
11,203,767.80/16,805,651.70 = 11,097,479.60/x - Step 3: Cross multiply
11,203,767.80x = 16,805,651.70 × 11,097,479.60 - Step 4: Simplify right side
11,203,767.80x = 186,500,376,905,455.31 - Step 5: Solve for x
x = 186,500,376,905,455.31/11,203,767.80 - Step 6: Final answer
x = 16,646,219.40
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1.5x scale
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.