Finding the Fourth Proportional to 15,115,196.80, 22,677,213.12 and 4,879,817.60
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Solution
The fourth proportional to 15,115,196.80, 22,677,213.12 and 4,879,817.60 is: 7,321,152.69
Step by Step Solution
- Step 1: Write the proportion equation
15,115,196.80 : 22,677,213.12 = 4,879,817.60 : x - Step 2: Convert to fraction form
15,115,196.80/22,677,213.12 = 4,879,817.60/x - Step 3: Cross multiply
15,115,196.80x = 22,677,213.12 × 4,879,817.60 - Step 4: Simplify right side
15,115,196.80x = 110,660,663,701,926.91 - Step 5: Solve for x
x = 110,660,663,701,926.91/15,115,196.80 - Step 6: Final answer
x = 7,321,152.69
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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.