Finding the Fourth Proportional to 16,188,712.40, 24,251,575.80 and 9,779,927.60
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Solution
The fourth proportional to 16,188,712.40, 24,251,575.80 and 9,779,927.60 is: 14,650,865.96
Step by Step Solution
- Step 1: Write the proportion equation
16,188,712.40 : 24,251,575.80 = 9,779,927.60 : x - Step 2: Convert to fraction form
16,188,712.40/24,251,575.80 = 9,779,927.60/x - Step 3: Cross multiply
16,188,712.40x = 24,251,575.80 × 9,779,927.60 - Step 4: Simplify right side
16,188,712.40x = 237,178,655,509,912.09 - Step 5: Solve for x
x = 237,178,655,509,912.09/16,188,712.40 - Step 6: Final answer
x = 14,650,865.96
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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.