Finding the Fourth Proportional to 8,385,189.76, 11,571,971.88 and 4,715,261.20
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Solution
The fourth proportional to 8,385,189.76, 11,571,971.88 and 4,715,261.20 is: 6,507,291.02
Step by Step Solution
- Step 1: Write the proportion equation
8,385,189.76 : 11,571,971.88 = 4,715,261.20 : x - Step 2: Convert to fraction form
8,385,189.76/11,571,971.88 = 4,715,261.20/x - Step 3: Cross multiply
8,385,189.76x = 11,571,971.88 × 4,715,261.20 - Step 4: Simplify right side
8,385,189.76x = 54,564,870,013,255.06 - Step 5: Solve for x
x = 54,564,870,013,255.06/8,385,189.76 - Step 6: Final answer
x = 6,507,291.02
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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.