Finding the Fourth Proportional to 8,128,224.24, 12,199,645.80 and 4,344,941.04
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Solution
The fourth proportional to 8,128,224.24, 12,199,645.80 and 4,344,941.04 is: 6,521,318.82
Step by Step Solution
- Step 1: Write the proportion equation
8,128,224.24 : 12,199,645.80 = 4,344,941.04 : x - Step 2: Convert to fraction form
8,128,224.24/12,199,645.80 = 4,344,941.04/x - Step 3: Cross multiply
8,128,224.24x = 12,199,645.80 × 4,344,941.04 - Step 4: Simplify right side
8,128,224.24x = 53,006,741,709,883.63 - Step 5: Solve for x
x = 53,006,741,709,883.63/8,128,224.24 - Step 6: Final answer
x = 6,521,318.82
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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.