Finding the Fourth Proportional to 8,958,939.63, 13,417,483.95 and 8,235,515.58
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Solution
The fourth proportional to 8,958,939.63, 13,417,483.95 and 8,235,515.58 is: 12,334,037.58
Step by Step Solution
- Step 1: Write the proportion equation
8,958,939.63 : 13,417,483.95 = 8,235,515.58 : x - Step 2: Convert to fraction form
8,958,939.63/13,417,483.95 = 8,235,515.58/x - Step 3: Cross multiply
8,958,939.63x = 13,417,483.95 × 8,235,515.58 - Step 4: Simplify right side
8,958,939.63x = 110,499,898,114,624.94 - Step 5: Solve for x
x = 110,499,898,114,624.94/8,958,939.63 - Step 6: Final answer
x = 12,334,037.58
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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.