Finding the Fourth Proportional to 43,541,912.07, 65,297,305.98 and 14,390,355.71
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Solution
The fourth proportional to 43,541,912.07, 65,297,305.98 and 14,390,355.71 is: 21,580,390.37
Step by Step Solution
- Step 1: Write the proportion equation
43,541,912.07 : 65,297,305.98 = 14,390,355.71 : x - Step 2: Convert to fraction form
43,541,912.07/65,297,305.98 = 14,390,355.71/x - Step 3: Cross multiply
43,541,912.07x = 65,297,305.98 × 14,390,355.71 - Step 4: Simplify right side
43,541,912.07x = 939,651,460,120,153.38 - Step 5: Solve for x
x = 939,651,460,120,153.38/43,541,912.07 - Step 6: Final answer
x = 21,580,390.37
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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.