Finding the Fourth Proportional to 22,762,645.97, 31,413,269.09 and 12,974,567.09
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Solution
The fourth proportional to 22,762,645.97, 31,413,269.09 and 12,974,567.09 is: 17,905,368.64
Step by Step Solution
- Step 1: Write the proportion equation
22,762,645.97 : 31,413,269.09 = 12,974,567.09 : x - Step 2: Convert to fraction form
22,762,645.97/31,413,269.09 = 12,974,567.09/x - Step 3: Cross multiply
22,762,645.97x = 31,413,269.09 × 12,974,567.09 - Step 4: Simplify right side
22,762,645.97x = 407,573,567,324,428.25 - Step 5: Solve for x
x = 407,573,567,324,428.25/22,762,645.97 - Step 6: Final answer
x = 17,905,368.64
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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.