Finding the Fourth Proportional to 7,888,210.97, 11,853,122.58 and 4,247,632.49
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Solution
The fourth proportional to 7,888,210.97, 11,853,122.58 and 4,247,632.49 is: 6,382,652.38
Step by Step Solution
- Step 1: Write the proportion equation
7,888,210.97 : 11,853,122.58 = 4,247,632.49 : x - Step 2: Convert to fraction form
7,888,210.97/11,853,122.58 = 4,247,632.49/x - Step 3: Cross multiply
7,888,210.97x = 11,853,122.58 × 4,247,632.49 - Step 4: Simplify right side
7,888,210.97x = 50,347,708,519,495.02 - Step 5: Solve for x
x = 50,347,708,519,495.02/7,888,210.97 - Step 6: Final answer
x = 6,382,652.38
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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.