Finding the Fourth Proportional to 30,656,427.44, 45,909,941.07 and 20,275,322.09
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Solution
The fourth proportional to 30,656,427.44, 45,909,941.07 and 20,275,322.09 is: 30,363,578.54
Step by Step Solution
- Step 1: Write the proportion equation
30,656,427.44 : 45,909,941.07 = 20,275,322.09 : x - Step 2: Convert to fraction form
30,656,427.44/45,909,941.07 = 20,275,322.09/x - Step 3: Cross multiply
30,656,427.44x = 45,909,941.07 × 20,275,322.09 - Step 4: Simplify right side
30,656,427.44x = 930,838,842,097,619.62 - Step 5: Solve for x
x = 930,838,842,097,619.62/30,656,427.44 - Step 6: Final answer
x = 30,363,578.54
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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.