Finding the Fourth Proportional to 29,138,443.44, 40,211,377.20 and 16,085,708.88
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Solution
The fourth proportional to 29,138,443.44, 40,211,377.20 and 16,085,708.88 is: 22,198,457.81
Step by Step Solution
- Step 1: Write the proportion equation
29,138,443.44 : 40,211,377.20 = 16,085,708.88 : x - Step 2: Convert to fraction form
29,138,443.44/40,211,377.20 = 16,085,708.88/x - Step 3: Cross multiply
29,138,443.44x = 40,211,377.20 × 16,085,708.88 - Step 4: Simplify right side
29,138,443.44x = 646,828,507,303,069.62 - Step 5: Solve for x
x = 646,828,507,303,069.62/29,138,443.44 - Step 6: Final answer
x = 22,198,457.81
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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.