Finding the Fourth Proportional to 7,672,605.40, 11,513,808.34 and 3,629,331.74
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Solution
The fourth proportional to 7,672,605.40, 11,513,808.34 and 3,629,331.74 is: 5,446,315.55
Step by Step Solution
- Step 1: Write the proportion equation
7,672,605.40 : 11,513,808.34 = 3,629,331.74 : x - Step 2: Convert to fraction form
7,672,605.40/11,513,808.34 = 3,629,331.74/x - Step 3: Cross multiply
7,672,605.40x = 11,513,808.34 × 3,629,331.74 - Step 4: Simplify right side
7,672,605.40x = 41,787,430,069,485.15 - Step 5: Solve for x
x = 41,787,430,069,485.15/7,672,605.40 - Step 6: Final answer
x = 5,446,315.55
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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.