Finding the Fourth Proportional to 52,120,636.87, 71,926,451.10 and 28,599,328.09
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Solution
The fourth proportional to 52,120,636.87, 71,926,451.10 and 28,599,328.09 is: 39,467,057.52
Step by Step Solution
- Step 1: Write the proportion equation
52,120,636.87 : 71,926,451.10 = 28,599,328.09 : x - Step 2: Convert to fraction form
52,120,636.87/71,926,451.10 = 28,599,328.09/x - Step 3: Cross multiply
52,120,636.87x = 71,926,451.10 × 28,599,328.09 - Step 4: Simplify right side
52,120,636.87x = 2,057,048,173,358,241.25 - Step 5: Solve for x
x = 2,057,048,173,358,241.25/52,120,636.87 - Step 6: Final answer
x = 39,467,057.52
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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.