Finding the Fourth Proportional to 14,202,932.64, 19,600,432.02 and 8,696,202.72
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Solution
The fourth proportional to 14,202,932.64, 19,600,432.02 and 8,696,202.72 is: 12,000,995.47
Step by Step Solution
- Step 1: Write the proportion equation
14,202,932.64 : 19,600,432.02 = 8,696,202.72 : x - Step 2: Convert to fraction form
14,202,932.64/19,600,432.02 = 8,696,202.72/x - Step 3: Cross multiply
14,202,932.64x = 19,600,432.02 × 8,696,202.72 - Step 4: Simplify right side
14,202,932.64x = 170,449,330,245,499.09 - Step 5: Solve for x
x = 170,449,330,245,499.09/14,202,932.64 - Step 6: Final answer
x = 12,000,995.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.