Finding the Fourth Proportional to 40,843,021.57, 56,363,370.99 and 22,508,307.07
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Solution
The fourth proportional to 40,843,021.57, 56,363,370.99 and 22,508,307.07 is: 31,061,464.43
Step by Step Solution
- Step 1: Write the proportion equation
40,843,021.57 : 56,363,370.99 = 22,508,307.07 : x - Step 2: Convert to fraction form
40,843,021.57/56,363,370.99 = 22,508,307.07/x - Step 3: Cross multiply
40,843,021.57x = 56,363,370.99 × 22,508,307.07 - Step 4: Simplify right side
40,843,021.57x = 1,268,644,061,517,935.25 - Step 5: Solve for x
x = 1,268,644,061,517,935.25/40,843,021.57 - Step 6: Final answer
x = 31,061,464.43
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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.