Finding the Fourth Proportional to 8,989,765.99, 12,402,936.99 and 5,501,468.35
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Solution
The fourth proportional to 8,989,765.99, 12,402,936.99 and 5,501,468.35 is: 7,590,227.08
Step by Step Solution
- Step 1: Write the proportion equation
8,989,765.99 : 12,402,936.99 = 5,501,468.35 : x - Step 2: Convert to fraction form
8,989,765.99/12,402,936.99 = 5,501,468.35/x - Step 3: Cross multiply
8,989,765.99x = 12,402,936.99 × 5,501,468.35 - Step 4: Simplify right side
8,989,765.99x = 68,234,365,297,529.27 - Step 5: Solve for x
x = 68,234,365,297,529.27/8,989,765.99 - Step 6: Final answer
x = 7,590,227.08
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1.5x scale
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.