Finding the Fourth Proportional to 19,561,187.07, 29,303,610.03 and 12,809,130.75
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Solution
The fourth proportional to 19,561,187.07, 29,303,610.03 and 12,809,130.75 is: 19,188,701.12
Step by Step Solution
- Step 1: Write the proportion equation
19,561,187.07 : 29,303,610.03 = 12,809,130.75 : x - Step 2: Convert to fraction form
19,561,187.07/29,303,610.03 = 12,809,130.75/x - Step 3: Cross multiply
19,561,187.07x = 29,303,610.03 × 12,809,130.75 - Step 4: Simplify right side
19,561,187.07x = 375,353,772,321,281.44 - Step 5: Solve for x
x = 375,353,772,321,281.44/19,561,187.07 - Step 6: Final answer
x = 19,188,701.12
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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.