Finding the Fourth Proportional to 40,128,337.74, 55,380,521.16 and 22,727,778.42
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Solution
The fourth proportional to 40,128,337.74, 55,380,521.16 and 22,727,778.42 is: 31,366,268.44
Step by Step Solution
- Step 1: Write the proportion equation
40,128,337.74 : 55,380,521.16 = 22,727,778.42 : x - Step 2: Convert to fraction form
40,128,337.74/55,380,521.16 = 22,727,778.42/x - Step 3: Cross multiply
40,128,337.74x = 55,380,521.16 × 22,727,778.42 - Step 4: Simplify right side
40,128,337.74x = 1,258,676,213,708,601.50 - Step 5: Solve for x
x = 1,258,676,213,708,601.50/40,128,337.74 - Step 6: Final answer
x = 31,366,268.44
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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.