Finding the Fourth Proportional to 16,390,639.60, 24,569,370.60 and 9,655,586.80
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Solution
The fourth proportional to 16,390,639.60, 24,569,370.60 and 9,655,586.80 is: 14,473,607.88
Step by Step Solution
- Step 1: Write the proportion equation
16,390,639.60 : 24,569,370.60 = 9,655,586.80 : x - Step 2: Convert to fraction form
16,390,639.60/24,569,370.60 = 9,655,586.80/x - Step 3: Cross multiply
16,390,639.60x = 24,569,370.60 × 9,655,586.80 - Step 4: Simplify right side
16,390,639.60x = 237,231,690,449,668.12 - Step 5: Solve for x
x = 237,231,690,449,668.12/16,390,639.60 - Step 6: Final answer
x = 14,473,607.88
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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.