Finding the Fourth Proportional to 10,860,102.60, 16,293,697.50 and 5,179,588.92
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Solution
The fourth proportional to 10,860,102.60, 16,293,697.50 and 5,179,588.92 is: 7,771,073.46
Step by Step Solution
- Step 1: Write the proportion equation
10,860,102.60 : 16,293,697.50 = 5,179,588.92 : x - Step 2: Convert to fraction form
10,860,102.60/16,293,697.50 = 5,179,588.92/x - Step 3: Cross multiply
10,860,102.60x = 16,293,697.50 × 5,179,588.92 - Step 4: Simplify right side
10,860,102.60x = 84,394,655,036,831.70 - Step 5: Solve for x
x = 84,394,655,036,831.70/10,860,102.60 - Step 6: Final answer
x = 7,771,073.46
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1.5x scale
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.