Finding the Fourth Proportional to 8,069,157.60, 11,135,365.54 and 4,398,073.98
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Solution
The fourth proportional to 8,069,157.60, 11,135,365.54 and 4,398,073.98 is: 6,069,302.88
Step by Step Solution
- Step 1: Write the proportion equation
8,069,157.60 : 11,135,365.54 = 4,398,073.98 : x - Step 2: Convert to fraction form
8,069,157.60/11,135,365.54 = 4,398,073.98/x - Step 3: Cross multiply
8,069,157.60x = 11,135,365.54 × 4,398,073.98 - Step 4: Simplify right side
8,069,157.60x = 48,974,161,439,262.65 - Step 5: Solve for x
x = 48,974,161,439,262.65/8,069,157.60 - Step 6: Final answer
x = 6,069,302.88
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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.