Finding the Fourth Proportional to 13,192,313.14, 19,810,937.49 and 8,589,134.98
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Solution
The fourth proportional to 13,192,313.14, 19,810,937.49 and 8,589,134.98 is: 12,898,330.59
Step by Step Solution
- Step 1: Write the proportion equation
13,192,313.14 : 19,810,937.49 = 8,589,134.98 : x - Step 2: Convert to fraction form
13,192,313.14/19,810,937.49 = 8,589,134.98/x - Step 3: Cross multiply
13,192,313.14x = 19,810,937.49 × 8,589,134.98 - Step 4: Simplify right side
13,192,313.14x = 170,158,816,039,952.03 - Step 5: Solve for x
x = 170,158,816,039,952.03/13,192,313.14 - Step 6: Final answer
x = 12,898,330.59
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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.