Finding the Fourth Proportional to 12,773,163.80, 19,159,745.70 and 11,513,451.80
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Solution
The fourth proportional to 12,773,163.80, 19,159,745.70 and 11,513,451.80 is: 17,270,177.70
Step by Step Solution
- Step 1: Write the proportion equation
12,773,163.80 : 19,159,745.70 = 11,513,451.80 : x - Step 2: Convert to fraction form
12,773,163.80/19,159,745.70 = 11,513,451.80/x - Step 3: Cross multiply
12,773,163.80x = 19,159,745.70 × 11,513,451.80 - Step 4: Simplify right side
12,773,163.80x = 220,594,808,617,207.28 - Step 5: Solve for x
x = 220,594,808,617,207.28/12,773,163.80 - Step 6: Final answer
x = 17,270,177.70
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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.