Finding the Fourth Proportional to 19,152,580.57, 26,431,199.17 and 10,451,230.65
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Solution
The fourth proportional to 19,152,580.57, 26,431,199.17 and 10,451,230.65 is: 14,423,046.43
Step by Step Solution
- Step 1: Write the proportion equation
19,152,580.57 : 26,431,199.17 = 10,451,230.65 : x - Step 2: Convert to fraction form
19,152,580.57/26,431,199.17 = 10,451,230.65/x - Step 3: Cross multiply
19,152,580.57x = 26,431,199.17 × 10,451,230.65 - Step 4: Simplify right side
19,152,580.57x = 276,238,558,747,577.75 - Step 5: Solve for x
x = 276,238,558,747,577.75/19,152,580.57 - Step 6: Final answer
x = 14,423,046.43
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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.