Finding the Fourth Proportional to 16,607,536.15, 22,918,414.24 and 9,265,370.79
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Solution
The fourth proportional to 16,607,536.15, 22,918,414.24 and 9,265,370.79 is: 12,786,219.70
Step by Step Solution
- Step 1: Write the proportion equation
16,607,536.15 : 22,918,414.24 = 9,265,370.79 : x - Step 2: Convert to fraction form
16,607,536.15/22,918,414.24 = 9,265,370.79/x - Step 3: Cross multiply
16,607,536.15x = 22,918,414.24 × 9,265,370.79 - Step 4: Simplify right side
16,607,536.15x = 212,347,605,852,416 - Step 5: Solve for x
x = 212,347,605,852,416/16,607,536.15 - Step 6: Final answer
x = 12,786,219.70
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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.