Finding the Fourth Proportional to 15,877,706.92, 23,794,495.94 and 8,289,536.20
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Solution
The fourth proportional to 15,877,706.92, 23,794,495.94 and 8,289,536.20 is: 12,422,784.75
Step by Step Solution
- Step 1: Write the proportion equation
15,877,706.92 : 23,794,495.94 = 8,289,536.20 : x - Step 2: Convert to fraction form
15,877,706.92/23,794,495.94 = 8,289,536.20/x - Step 3: Cross multiply
15,877,706.92x = 23,794,495.94 × 8,289,536.20 - Step 4: Simplify right side
15,877,706.92x = 197,245,335,455,383.03 - Step 5: Solve for x
x = 197,245,335,455,383.03/15,877,706.92 - Step 6: Final answer
x = 12,422,784.75
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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.