Finding the Fourth Proportional to 7,879,247.08, 10,874,289.60 and 4,395,134.68
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Solution
The fourth proportional to 7,879,247.08, 10,874,289.60 and 4,395,134.68 is: 6,065,803.86
Step by Step Solution
- Step 1: Write the proportion equation
7,879,247.08 : 10,874,289.60 = 4,395,134.68 : x - Step 2: Convert to fraction form
7,879,247.08/10,874,289.60 = 4,395,134.68/x - Step 3: Cross multiply
7,879,247.08x = 10,874,289.60 × 4,395,134.68 - Step 4: Simplify right side
7,879,247.08x = 47,793,967,341,323.32 - Step 5: Solve for x
x = 47,793,967,341,323.32/7,879,247.08 - Step 6: Final answer
x = 6,065,803.86
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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.