Finding the Fourth Proportional to 26,209,145.22, 39,313,717.87 and 8,013,340.45
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Solution
The fourth proportional to 26,209,145.22, 39,313,717.87 and 8,013,340.45 is: 12,020,010.69
Step by Step Solution
- Step 1: Write the proportion equation
26,209,145.22 : 39,313,717.87 = 8,013,340.45 : x - Step 2: Convert to fraction form
26,209,145.22/39,313,717.87 = 8,013,340.45/x - Step 3: Cross multiply
26,209,145.22x = 39,313,717.87 × 8,013,340.45 - Step 4: Simplify right side
26,209,145.22x = 315,034,205,779,737 - Step 5: Solve for x
x = 315,034,205,779,737/26,209,145.22 - Step 6: Final answer
x = 12,020,010.69
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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.