Finding the Fourth Proportional to 12,906,235.06, 17,810,058.81 and 7,025,746.84
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Solution
The fourth proportional to 12,906,235.06, 17,810,058.81 and 7,025,746.84 is: 9,695,233.65
Step by Step Solution
- Step 1: Write the proportion equation
12,906,235.06 : 17,810,058.81 = 7,025,746.84 : x - Step 2: Convert to fraction form
12,906,235.06/17,810,058.81 = 7,025,746.84/x - Step 3: Cross multiply
12,906,235.06x = 17,810,058.81 × 7,025,746.84 - Step 4: Simplify right side
12,906,235.06x = 125,128,964,404,571.64 - Step 5: Solve for x
x = 125,128,964,404,571.64/12,906,235.06 - Step 6: Final answer
x = 9,695,233.65
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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.