Finding the Fourth Proportional to 43,994,859.21, 65,988,412.38 and 19,727,272.98
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Solution
The fourth proportional to 43,994,859.21, 65,988,412.38 and 19,727,272.98 is: 29,589,171.28
Step by Step Solution
- Step 1: Write the proportion equation
43,994,859.21 : 65,988,412.38 = 19,727,272.98 : x - Step 2: Convert to fraction form
43,994,859.21/65,988,412.38 = 19,727,272.98/x - Step 3: Cross multiply
43,994,859.21x = 65,988,412.38 × 19,727,272.98 - Step 4: Simplify right side
43,994,859.21x = 1,301,771,424,537,071.50 - Step 5: Solve for x
x = 1,301,771,424,537,071.50/43,994,859.21 - Step 6: Final answer
x = 29,589,171.28
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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.