Finding the Fourth Proportional to 26,507,634.94, 39,761,944.49 and 8,311,423.15
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Solution
The fourth proportional to 26,507,634.94, 39,761,944.49 and 8,311,423.15 is: 12,467,289.02
Step by Step Solution
- Step 1: Write the proportion equation
26,507,634.94 : 39,761,944.49 = 8,311,423.15 : x - Step 2: Convert to fraction form
26,507,634.94/39,761,944.49 = 8,311,423.15/x - Step 3: Cross multiply
26,507,634.94x = 39,761,944.49 × 8,311,423.15 - Step 4: Simplify right side
26,507,634.94x = 330,478,345,923,201 - Step 5: Solve for x
x = 330,478,345,923,201/26,507,634.94 - Step 6: Final answer
x = 12,467,289.02
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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.