Finding the Fourth Proportional to 11,478,296.88, 15,840,765.72 and 6,321,656.88
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Solution
The fourth proportional to 11,478,296.88, 15,840,765.72 and 6,321,656.88 is: 8,724,280.84
Step by Step Solution
- Step 1: Write the proportion equation
11,478,296.88 : 15,840,765.72 = 6,321,656.88 : x - Step 2: Convert to fraction form
11,478,296.88/15,840,765.72 = 6,321,656.88/x - Step 3: Cross multiply
11,478,296.88x = 15,840,765.72 × 6,321,656.88 - Step 4: Simplify right side
11,478,296.88x = 100,139,885,598,306.16 - Step 5: Solve for x
x = 100,139,885,598,306.16/11,478,296.88 - Step 6: Final answer
x = 8,724,280.84
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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.