Finding the Fourth Proportional to 16,602,284.85, 22,902,440.09 and 13,508,268.45
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Solution
The fourth proportional to 16,602,284.85, 22,902,440.09 and 13,508,268.45 is: 18,634,321.22
Step by Step Solution
- Step 1: Write the proportion equation
16,602,284.85 : 22,902,440.09 = 13,508,268.45 : x - Step 2: Convert to fraction form
16,602,284.85/22,902,440.09 = 13,508,268.45/x - Step 3: Cross multiply
16,602,284.85x = 22,902,440.09 × 13,508,268.45 - Step 4: Simplify right side
16,602,284.85x = 309,372,308,828,220.81 - Step 5: Solve for x
x = 309,372,308,828,220.81/16,602,284.85 - Step 6: Final answer
x = 18,634,321.22
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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.