Finding the Fourth Proportional to 31,374,858.06, 47,064,998.07 and 8,655,755.31
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Solution
The fourth proportional to 31,374,858.06, 47,064,998.07 and 8,655,755.31 is: 12,984,380.88
Step by Step Solution
- Step 1: Write the proportion equation
31,374,858.06 : 47,064,998.07 = 8,655,755.31 : x - Step 2: Convert to fraction form
31,374,858.06/47,064,998.07 = 8,655,755.31/x - Step 3: Cross multiply
31,374,858.06x = 47,064,998.07 × 8,655,755.31 - Step 4: Simplify right side
31,374,858.06x = 407,383,106,959,542.25 - Step 5: Solve for x
x = 407,383,106,959,542.25/31,374,858.06 - Step 6: Final answer
x = 12,984,380.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.