Finding the Fourth Proportional to 26,204,897.50, 36,162,902.45 and 15,198,174.09
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Solution
The fourth proportional to 26,204,897.50, 36,162,902.45 and 15,198,174.09 is: 20,973,563.71
Step by Step Solution
- Step 1: Write the proportion equation
26,204,897.50 : 36,162,902.45 = 15,198,174.09 : x - Step 2: Convert to fraction form
26,204,897.50/36,162,902.45 = 15,198,174.09/x - Step 3: Cross multiply
26,204,897.50x = 36,162,902.45 × 15,198,174.09 - Step 4: Simplify right side
26,204,897.50x = 549,610,087,072,782.94 - Step 5: Solve for x
x = 549,610,087,072,782.94/26,204,897.50 - Step 6: Final answer
x = 20,973,563.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.