Finding the Fourth Proportional to 7,888,206.09, 11,853,115.26 and 4,247,627.61
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Solution
The fourth proportional to 7,888,206.09, 11,853,115.26 and 4,247,627.61 is: 6,382,645.06
Step by Step Solution
- Step 1: Write the proportion equation
7,888,206.09 : 11,853,115.26 = 4,247,627.61 : x - Step 2: Convert to fraction form
7,888,206.09/11,853,115.26 = 4,247,627.61/x - Step 3: Cross multiply
7,888,206.09x = 11,853,115.26 × 4,247,627.61 - Step 4: Simplify right side
7,888,206.09x = 50,347,619,671,408.90 - Step 5: Solve for x
x = 50,347,619,671,408.90/7,888,206.09 - Step 6: Final answer
x = 6,382,645.06
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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.