Finding the Fourth Proportional to 35,454,605.20, 53,181,907.80 and 18,448,493.20
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Solution
The fourth proportional to 35,454,605.20, 53,181,907.80 and 18,448,493.20 is: 27,672,739.80
Step by Step Solution
- Step 1: Write the proportion equation
35,454,605.20 : 53,181,907.80 = 18,448,493.20 : x - Step 2: Convert to fraction form
35,454,605.20/53,181,907.80 = 18,448,493.20/x - Step 3: Cross multiply
35,454,605.20x = 53,181,907.80 × 18,448,493.20 - Step 4: Simplify right side
35,454,605.20x = 981,126,064,411,326.88 - Step 5: Solve for x
x = 981,126,064,411,326.88/35,454,605.20 - Step 6: Final answer
x = 27,672,739.80
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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.