Finding the Fourth Proportional to 12,086,373.51, 18,124,240.19 and 6,405,266.79
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Solution
The fourth proportional to 12,086,373.51, 18,124,240.19 and 6,405,266.79 is: 9,605,080.77
Step by Step Solution
- Step 1: Write the proportion equation
12,086,373.51 : 18,124,240.19 = 6,405,266.79 : x - Step 2: Convert to fraction form
12,086,373.51/18,124,240.19 = 6,405,266.79/x - Step 3: Cross multiply
12,086,373.51x = 18,124,240.19 × 6,405,266.79 - Step 4: Simplify right side
12,086,373.51x = 116,090,593,750,963.95 - Step 5: Solve for x
x = 116,090,593,750,963.95/12,086,373.51 - Step 6: Final answer
x = 9,605,080.77
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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.