Finding the Fourth Proportional to 16,549,907.70, 24,824,861.55 and 5,190,338.10
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Solution
The fourth proportional to 16,549,907.70, 24,824,861.55 and 5,190,338.10 is: 7,785,507.15
Step by Step Solution
- Step 1: Write the proportion equation
16,549,907.70 : 24,824,861.55 = 5,190,338.10 : x - Step 2: Convert to fraction form
16,549,907.70/24,824,861.55 = 5,190,338.10/x - Step 3: Cross multiply
16,549,907.70x = 24,824,861.55 × 5,190,338.10 - Step 4: Simplify right side
16,549,907.70x = 128,849,424,730,190.05 - Step 5: Solve for x
x = 128,849,424,730,190.05/16,549,907.70 - Step 6: Final answer
x = 7,785,507.15
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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.