Finding the Fourth Proportional to 12,101,686, 18,157,889.55 and 6,343,051.09
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Solution
The fourth proportional to 12,101,686, 18,157,889.55 and 6,343,051.09 is: 9,517,386.35
Step by Step Solution
- Step 1: Write the proportion equation
12,101,686 : 18,157,889.55 = 6,343,051.09 : x - Step 2: Convert to fraction form
12,101,686/18,157,889.55 = 6,343,051.09/x - Step 3: Cross multiply
12,101,686x = 18,157,889.55 × 6,343,051.09 - Step 4: Simplify right side
12,101,686x = 115,176,421,102,227.11 - Step 5: Solve for x
x = 115,176,421,102,227.11/12,101,686 - Step 6: Final answer
x = 9,517,386.35
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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.