Finding the Fourth Proportional to 9,942,720.06, 14,841,494.61 and 8,531,842.62
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Solution
The fourth proportional to 9,942,720.06, 14,841,494.61 and 8,531,842.62 is: 12,735,478.37
Step by Step Solution
- Step 1: Write the proportion equation
9,942,720.06 : 14,841,494.61 = 8,531,842.62 : x - Step 2: Convert to fraction form
9,942,720.06/14,841,494.61 = 8,531,842.62/x - Step 3: Cross multiply
9,942,720.06x = 14,841,494.61 × 8,531,842.62 - Step 4: Simplify right side
9,942,720.06x = 126,625,296,258,098.27 - Step 5: Solve for x
x = 126,625,296,258,098.27/9,942,720.06 - Step 6: Final answer
x = 12,735,478.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.