Finding the Fourth Proportional to 31,106,408.40, 46,577,964.60 and 21,959,110.80
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Solution
The fourth proportional to 31,106,408.40, 46,577,964.60 and 21,959,110.80 is: 32,881,028.00
Step by Step Solution
- Step 1: Write the proportion equation
31,106,408.40 : 46,577,964.60 = 21,959,110.80 : x - Step 2: Convert to fraction form
31,106,408.40/46,577,964.60 = 21,959,110.80/x - Step 3: Cross multiply
31,106,408.40x = 46,577,964.60 × 21,959,110.80 - Step 4: Simplify right side
31,106,408.40x = 1,022,810,685,489,877.75 - Step 5: Solve for x
x = 1,022,810,685,489,877.75/31,106,408.40 - Step 6: Final answer
x = 32,881,028.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.