Finding the Fourth Proportional to 12,188,404.87, 18,277,292.14 and 4,610,056.21
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Solution
The fourth proportional to 12,188,404.87, 18,277,292.14 and 4,610,056.21 is: 6,913,073.94
Step by Step Solution
- Step 1: Write the proportion equation
12,188,404.87 : 18,277,292.14 = 4,610,056.21 : x - Step 2: Convert to fraction form
12,188,404.87/18,277,292.14 = 4,610,056.21/x - Step 3: Cross multiply
12,188,404.87x = 18,277,292.14 × 4,610,056.21 - Step 4: Simplify right side
12,188,404.87x = 84,259,344,131,991.19 - Step 5: Solve for x
x = 84,259,344,131,991.19/12,188,404.87 - Step 6: Final answer
x = 6,913,073.94
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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.