Finding the Fourth Proportional to 9,528,495.11, 13,149,406.55 and 5,177,581.40
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Solution
The fourth proportional to 9,528,495.11, 13,149,406.55 and 5,177,581.40 is: 7,145,107.59
Step by Step Solution
- Step 1: Write the proportion equation
9,528,495.11 : 13,149,406.55 = 5,177,581.40 : x - Step 2: Convert to fraction form
9,528,495.11/13,149,406.55 = 5,177,581.40/x - Step 3: Cross multiply
9,528,495.11x = 13,149,406.55 × 5,177,581.40 - Step 4: Simplify right side
9,528,495.11x = 68,082,122,682,683.23 - Step 5: Solve for x
x = 68,082,122,682,683.23/9,528,495.11 - Step 6: Final answer
x = 7,145,107.59
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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.