Finding the Fourth Proportional to 13,155,679.12, 19,736,914.68 and 4,057,571.92
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Solution
The fourth proportional to 13,155,679.12, 19,736,914.68 and 4,057,571.92 is: 6,087,405.30
Step by Step Solution
- Step 1: Write the proportion equation
13,155,679.12 : 19,736,914.68 = 4,057,571.92 : x - Step 2: Convert to fraction form
13,155,679.12/19,736,914.68 = 4,057,571.92/x - Step 3: Cross multiply
13,155,679.12x = 19,736,914.68 × 4,057,571.92 - Step 4: Simplify right side
13,155,679.12x = 80,083,950,793,003.78 - Step 5: Solve for x
x = 80,083,950,793,003.78/13,155,679.12 - Step 6: Final answer
x = 6,087,405.30
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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.