Finding the Fourth Proportional to 16,603,467.70, 24,905,201.55 and 13,769,115.70
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Solution
The fourth proportional to 16,603,467.70, 24,905,201.55 and 13,769,115.70 is: 20,653,673.55
Step by Step Solution
- Step 1: Write the proportion equation
16,603,467.70 : 24,905,201.55 = 13,769,115.70 : x - Step 2: Convert to fraction form
16,603,467.70/24,905,201.55 = 13,769,115.70/x - Step 3: Cross multiply
16,603,467.70x = 24,905,201.55 × 13,769,115.70 - Step 4: Simplify right side
16,603,467.70x = 342,922,601,673,769.31 - Step 5: Solve for x
x = 342,922,601,673,769.31/16,603,467.70 - Step 6: Final answer
x = 20,653,673.55
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Double scale
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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.