Finding the Fourth Proportional to 7,685,617.20, 11,528,242.02 and 2,498,220.23
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Solution
The fourth proportional to 7,685,617.20, 11,528,242.02 and 2,498,220.23 is: 3,747,270.60
Step by Step Solution
- Step 1: Write the proportion equation
7,685,617.20 : 11,528,242.02 = 2,498,220.23 : x - Step 2: Convert to fraction form
7,685,617.20/11,528,242.02 = 2,498,220.23/x - Step 3: Cross multiply
7,685,617.20x = 11,528,242.02 × 2,498,220.23 - Step 4: Simplify right side
7,685,617.20x = 28,800,087,373,058.86 - Step 5: Solve for x
x = 28,800,087,373,058.86/7,685,617.20 - Step 6: Final answer
x = 3,747,270.60
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1.5x scale
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.