Finding the Fourth Proportional to 14,186,965.68, 21,283,441.56 and 4,601,599.92
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Solution
The fourth proportional to 14,186,965.68, 21,283,441.56 and 4,601,599.92 is: 6,903,370.68
Step by Step Solution
- Step 1: Write the proportion equation
14,186,965.68 : 21,283,441.56 = 4,601,599.92 : x - Step 2: Convert to fraction form
14,186,965.68/21,283,441.56 = 4,601,599.92/x - Step 3: Cross multiply
14,186,965.68x = 21,283,441.56 × 4,601,599.92 - Step 4: Simplify right side
14,186,965.68x = 97,937,882,979,820.67 - Step 5: Solve for x
x = 97,937,882,979,820.67/14,186,965.68 - Step 6: Final answer
x = 6,903,370.68
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1.5x scale
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.