Finding the Fourth Proportional to 26,021,120.92, 39,023,167.12 and 12,183,796.96
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Solution
The fourth proportional to 26,021,120.92, 39,023,167.12 and 12,183,796.96 is: 18,271,708.83
Step by Step Solution
- Step 1: Write the proportion equation
26,021,120.92 : 39,023,167.12 = 12,183,796.96 : x - Step 2: Convert to fraction form
26,021,120.92/39,023,167.12 = 12,183,796.96/x - Step 3: Cross multiply
26,021,120.92x = 39,023,167.12 × 12,183,796.96 - Step 4: Simplify right side
26,021,120.92x = 475,450,344,926,227.94 - Step 5: Solve for x
x = 475,450,344,926,227.94/26,021,120.92 - Step 6: Final answer
x = 18,271,708.83
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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.