Finding the Fourth Proportional to 10,457,409.74, 14,432,937.50 and 8,712,311.72
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Solution
The fourth proportional to 10,457,409.74, 14,432,937.50 and 8,712,311.72 is: 12,024,416.53
Step by Step Solution
- Step 1: Write the proportion equation
10,457,409.74 : 14,432,937.50 = 8,712,311.72 : x - Step 2: Convert to fraction form
10,457,409.74/14,432,937.50 = 8,712,311.72/x - Step 3: Cross multiply
10,457,409.74x = 14,432,937.50 × 8,712,311.72 - Step 4: Simplify right side
10,457,409.74x = 125,744,250,491,715.94 - Step 5: Solve for x
x = 125,744,250,491,715.94/10,457,409.74 - Step 6: Final answer
x = 12,024,416.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.