Finding the Fourth Proportional to 17,516,670.70, 24,184,379.91 and 15,677,944.78
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Solution
The fourth proportional to 17,516,670.70, 24,184,379.91 and 15,677,944.78 is: 21,645,744.17
Step by Step Solution
- Step 1: Write the proportion equation
17,516,670.70 : 24,184,379.91 = 15,677,944.78 : x - Step 2: Convert to fraction form
17,516,670.70/24,184,379.91 = 15,677,944.78/x - Step 3: Cross multiply
17,516,670.70x = 24,184,379.91 × 15,677,944.78 - Step 4: Simplify right side
17,516,670.70x = 379,161,372,767,521.38 - Step 5: Solve for x
x = 379,161,372,767,521.38/17,516,670.70 - Step 6: Final answer
x = 21,645,744.17
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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.