Finding the Fourth Proportional to 40,107,524.63, 55,349,057.09 and 21,772,810.13
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Solution
The fourth proportional to 40,107,524.63, 55,349,057.09 and 21,772,810.13 is: 30,046,843.38
Step by Step Solution
- Step 1: Write the proportion equation
40,107,524.63 : 55,349,057.09 = 21,772,810.13 : x - Step 2: Convert to fraction form
40,107,524.63/55,349,057.09 = 21,772,810.13/x - Step 3: Cross multiply
40,107,524.63x = 55,349,057.09 × 21,772,810.13 - Step 4: Simplify right side
40,107,524.63x = 1,205,104,510,672,787 - Step 5: Solve for x
x = 1,205,104,510,672,787/40,107,524.63 - Step 6: Final answer
x = 30,046,843.38
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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.