Finding the Fourth Proportional to 11,325,169.12, 15,624,093.36 and 6,429,330.40
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Solution
The fourth proportional to 11,325,169.12, 15,624,093.36 and 6,429,330.40 is: 8,869,841.80
Step by Step Solution
- Step 1: Write the proportion equation
11,325,169.12 : 15,624,093.36 = 6,429,330.40 : x - Step 2: Convert to fraction form
11,325,169.12/15,624,093.36 = 6,429,330.40/x - Step 3: Cross multiply
11,325,169.12x = 15,624,093.36 × 6,429,330.40 - Step 4: Simplify right side
11,325,169.12x = 100,452,458,411,886.14 - Step 5: Solve for x
x = 100,452,458,411,886.14/11,325,169.12 - Step 6: Final answer
x = 8,869,841.80
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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.