Finding the Fourth Proportional to 7,750,939.11, 10,698,194.34 and 6,005,155.44
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Solution
The fourth proportional to 7,750,939.11, 10,698,194.34 and 6,005,155.44 is: 8,288,585.30
Step by Step Solution
- Step 1: Write the proportion equation
7,750,939.11 : 10,698,194.34 = 6,005,155.44 : x - Step 2: Convert to fraction form
7,750,939.11/10,698,194.34 = 6,005,155.44/x - Step 3: Cross multiply
7,750,939.11x = 10,698,194.34 × 6,005,155.44 - Step 4: Simplify right side
7,750,939.11x = 64,244,319,939,028.21 - Step 5: Solve for x
x = 64,244,319,939,028.21/7,750,939.11 - Step 6: Final answer
x = 8,288,585.30
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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.