Finding the Fourth Proportional to 29,172,762.84, 40,284,235.26 and 18,178,276.44
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Solution
The fourth proportional to 29,172,762.84, 40,284,235.26 and 18,178,276.44 is: 25,102,112.16
Step by Step Solution
- Step 1: Write the proportion equation
29,172,762.84 : 40,284,235.26 = 18,178,276.44 : x - Step 2: Convert to fraction form
29,172,762.84/40,284,235.26 = 18,178,276.44/x - Step 3: Cross multiply
29,172,762.84x = 40,284,235.26 × 18,178,276.44 - Step 4: Simplify right side
29,172,762.84x = 732,297,964,730,275.25 - Step 5: Solve for x
x = 732,297,964,730,275.25/29,172,762.84 - Step 6: Final answer
x = 25,102,112.16
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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.