Finding the Fourth Proportional to 18,814,842.17, 28,213,921.70 and 10,058,996.09
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Solution
The fourth proportional to 18,814,842.17, 28,213,921.70 and 10,058,996.09 is: 15,084,034.48
Step by Step Solution
- Step 1: Write the proportion equation
18,814,842.17 : 28,213,921.70 = 10,058,996.09 : x - Step 2: Convert to fraction form
18,814,842.17/28,213,921.70 = 10,058,996.09/x - Step 3: Cross multiply
18,814,842.17x = 28,213,921.70 × 10,058,996.09 - Step 4: Simplify right side
18,814,842.17x = 283,803,728,159,548.44 - Step 5: Solve for x
x = 283,803,728,159,548.44/18,814,842.17 - Step 6: Final answer
x = 15,084,034.48
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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.