Finding the Fourth Proportional to 18,598,888.44, 27,898,616.88 and 7,084,994.94
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Solution
The fourth proportional to 18,598,888.44, 27,898,616.88 and 7,084,994.94 is: 10,627,600.68
Step by Step Solution
- Step 1: Write the proportion equation
18,598,888.44 : 27,898,616.88 = 7,084,994.94 : x - Step 2: Convert to fraction form
18,598,888.44/27,898,616.88 = 7,084,994.94/x - Step 3: Cross multiply
18,598,888.44x = 27,898,616.88 × 7,084,994.94 - Step 4: Simplify right side
18,598,888.44x = 197,661,559,427,798.59 - Step 5: Solve for x
x = 197,661,559,427,798.59/18,598,888.44 - Step 6: Final answer
x = 10,627,600.68
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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.