Finding the Fourth Proportional to 16,154,242.53, 22,292,827.67 and 8,812,075.67
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Solution
The fourth proportional to 16,154,242.53, 22,292,827.67 and 8,812,075.67 is: 12,160,649.68
Step by Step Solution
- Step 1: Write the proportion equation
16,154,242.53 : 22,292,827.67 = 8,812,075.67 : x - Step 2: Convert to fraction form
16,154,242.53/22,292,827.67 = 8,812,075.67/x - Step 3: Cross multiply
16,154,242.53x = 22,292,827.67 × 8,812,075.67 - Step 4: Simplify right side
16,154,242.53x = 196,446,084,365,879 - Step 5: Solve for x
x = 196,446,084,365,879/16,154,242.53 - Step 6: Final answer
x = 12,160,649.68
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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.