Finding the Fourth Proportional to 11,256,579.60, 16,893,163.80 and 4,529,821.20
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Solution
The fourth proportional to 11,256,579.60, 16,893,163.80 and 4,529,821.20 is: 6,798,069.59
Step by Step Solution
- Step 1: Write the proportion equation
11,256,579.60 : 16,893,163.80 = 4,529,821.20 : x - Step 2: Convert to fraction form
11,256,579.60/16,893,163.80 = 4,529,821.20/x - Step 3: Cross multiply
11,256,579.60x = 16,893,163.80 × 4,529,821.20 - Step 4: Simplify right side
11,256,579.60x = 76,523,011,516,312.56 - Step 5: Solve for x
x = 76,523,011,516,312.56/11,256,579.60 - Step 6: Final answer
x = 6,798,069.59
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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.