Finding the Fourth Proportional to 40,727,551.36, 56,201,939.76 and 22,389,293.92
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Solution
The fourth proportional to 40,727,551.36, 56,201,939.76 and 22,389,293.92 is: 30,896,081.55
Step by Step Solution
- Step 1: Write the proportion equation
40,727,551.36 : 56,201,939.76 = 22,389,293.92 : x - Step 2: Convert to fraction form
40,727,551.36/56,201,939.76 = 22,389,293.92/x - Step 3: Cross multiply
40,727,551.36x = 56,201,939.76 × 22,389,293.92 - Step 4: Simplify right side
40,727,551.36x = 1,258,321,748,160,774.25 - Step 5: Solve for x
x = 1,258,321,748,160,774.25/40,727,551.36 - Step 6: Final answer
x = 30,896,081.55
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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.