Finding the Fourth Proportional to 13,310,754.24, 18,368,841.24 and 7,199,182.74
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Solution
The fourth proportional to 13,310,754.24, 18,368,841.24 and 7,199,182.74 is: 9,934,872.39
Step by Step Solution
- Step 1: Write the proportion equation
13,310,754.24 : 18,368,841.24 = 7,199,182.74 : x - Step 2: Convert to fraction form
13,310,754.24/18,368,841.24 = 7,199,182.74/x - Step 3: Cross multiply
13,310,754.24x = 18,368,841.24 × 7,199,182.74 - Step 4: Simplify right side
13,310,754.24x = 132,240,644,808,808.19 - Step 5: Solve for x
x = 132,240,644,808,808.19/13,310,754.24 - Step 6: Final answer
x = 9,934,872.39
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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.