Finding the Fourth Proportional to 22,866,340.70, 31,556,181.99 and 12,942,434.54
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Solution
The fourth proportional to 22,866,340.70, 31,556,181.99 and 12,942,434.54 is: 17,860,917.28
Step by Step Solution
- Step 1: Write the proportion equation
22,866,340.70 : 31,556,181.99 = 12,942,434.54 : x - Step 2: Convert to fraction form
22,866,340.70/31,556,181.99 = 12,942,434.54/x - Step 3: Cross multiply
22,866,340.70x = 31,556,181.99 × 12,942,434.54 - Step 4: Simplify right side
22,866,340.70x = 408,413,819,865,326.50 - Step 5: Solve for x
x = 408,413,819,865,326.50/22,866,340.70 - Step 6: Final answer
x = 17,860,917.28
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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.