Finding the Fourth Proportional to 9,528,784.24, 13,149,794.49 and 5,177,893.99
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Solution
The fourth proportional to 9,528,784.24, 13,149,794.49 and 5,177,893.99 is: 7,145,532.96
Step by Step Solution
- Step 1: Write the proportion equation
9,528,784.24 : 13,149,794.49 = 5,177,893.99 : x - Step 2: Convert to fraction form
9,528,784.24/13,149,794.49 = 5,177,893.99/x - Step 3: Cross multiply
9,528,784.24x = 13,149,794.49 × 5,177,893.99 - Step 4: Simplify right side
9,528,784.24x = 68,088,241,859,506.12 - Step 5: Solve for x
x = 68,088,241,859,506.12/9,528,784.24 - Step 6: Final answer
x = 7,145,532.96
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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.