Finding the Fourth Proportional to 26,287,647.53, 36,278,917.27 and 15,127,561.49
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Solution
The fourth proportional to 26,287,647.53, 36,278,917.27 and 15,127,561.49 is: 20,877,164.88
Step by Step Solution
- Step 1: Write the proportion equation
26,287,647.53 : 36,278,917.27 = 15,127,561.49 : x - Step 2: Convert to fraction form
26,287,647.53/36,278,917.27 = 15,127,561.49/x - Step 3: Cross multiply
26,287,647.53x = 36,278,917.27 × 15,127,561.49 - Step 4: Simplify right side
26,287,647.53x = 548,811,551,573,334.38 - Step 5: Solve for x
x = 548,811,551,573,334.38/26,287,647.53 - Step 6: Final answer
x = 20,877,164.88
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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.