Finding the Fourth Proportional to 15,792,057.20, 21,793,189.08 and 9,265,797.68
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Solution
The fourth proportional to 15,792,057.20, 21,793,189.08 and 9,265,797.68 is: 12,786,888.89
Step by Step Solution
- Step 1: Write the proportion equation
15,792,057.20 : 21,793,189.08 = 9,265,797.68 : x - Step 2: Convert to fraction form
15,792,057.20/21,793,189.08 = 9,265,797.68/x - Step 3: Cross multiply
15,792,057.20x = 21,793,189.08 × 9,265,797.68 - Step 4: Simplify right side
15,792,057.20x = 201,931,280,817,265.31 - Step 5: Solve for x
x = 201,931,280,817,265.31/15,792,057.20 - Step 6: Final answer
x = 12,786,888.89
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1.5x scale
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.