Finding the Fourth Proportional to 27,163,549.80, 40,745,324.70 and 8,970,552.90
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Solution
The fourth proportional to 27,163,549.80, 40,745,324.70 and 8,970,552.90 is: 13,455,829.35
Step by Step Solution
- Step 1: Write the proportion equation
27,163,549.80 : 40,745,324.70 = 8,970,552.90 : x - Step 2: Convert to fraction form
27,163,549.80/40,745,324.70 = 8,970,552.90/x - Step 3: Cross multiply
27,163,549.80x = 40,745,324.70 × 8,970,552.90 - Step 4: Simplify right side
27,163,549.80x = 365,508,090,649,026.69 - Step 5: Solve for x
x = 365,508,090,649,026.69/27,163,549.80 - Step 6: Final answer
x = 13,455,829.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.