Finding the Fourth Proportional to 8,124,085.16, 12,201,305.15 and 7,151,794.17
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Solution
The fourth proportional to 8,124,085.16, 12,201,305.15 and 7,151,794.17 is: 10,741,052.23
Step by Step Solution
- Step 1: Write the proportion equation
8,124,085.16 : 12,201,305.15 = 7,151,794.17 : x - Step 2: Convert to fraction form
8,124,085.16/12,201,305.15 = 7,151,794.17/x - Step 3: Cross multiply
8,124,085.16x = 12,201,305.15 × 7,151,794.17 - Step 4: Simplify right side
8,124,085.16x = 87,261,223,038,160.98 - Step 5: Solve for x
x = 87,261,223,038,160.98/8,124,085.16 - Step 6: Final answer
x = 10,741,052.23
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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.