Finding the Fourth Proportional to 12,277,356.23, 18,410,967.09 and 4,190,983.88
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Solution
The fourth proportional to 12,277,356.23, 18,410,967.09 and 4,190,983.88 is: 6,284,746.06
Step by Step Solution
- Step 1: Write the proportion equation
12,277,356.23 : 18,410,967.09 = 4,190,983.88 : x - Step 2: Convert to fraction form
12,277,356.23/18,410,967.09 = 4,190,983.88/x - Step 3: Cross multiply
12,277,356.23x = 18,410,967.09 × 4,190,983.88 - Step 4: Simplify right side
12,277,356.23x = 77,160,066,197,345.67 - Step 5: Solve for x
x = 77,160,066,197,345.67/12,277,356.23 - Step 6: Final answer
x = 6,284,746.06
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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.