Finding the Fourth Proportional to 40,729,153.92, 56,206,438.08 and 22,395,619.20
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Solution
The fourth proportional to 40,729,153.92, 56,206,438.08 and 22,395,619.20 is: 30,906,067.59
Step by Step Solution
- Step 1: Write the proportion equation
40,729,153.92 : 56,206,438.08 = 22,395,619.20 : x - Step 2: Convert to fraction form
40,729,153.92/56,206,438.08 = 22,395,619.20/x - Step 3: Cross multiply
40,729,153.92x = 56,206,438.08 × 22,395,619.20 - Step 4: Simplify right side
40,729,153.92x = 1,258,777,983,828,059 - Step 5: Solve for x
x = 1,258,777,983,828,059/40,729,153.92 - Step 6: Final answer
x = 30,906,067.59
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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.