Finding the Fourth Proportional to 22,695,135.16, 31,320,164.82 and 12,906,473.08
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Solution
The fourth proportional to 22,695,135.16, 31,320,164.82 and 12,906,473.08 is: 17,811,432.33
Step by Step Solution
- Step 1: Write the proportion equation
22,695,135.16 : 31,320,164.82 = 12,906,473.08 : x - Step 2: Convert to fraction form
22,695,135.16/31,320,164.82 = 12,906,473.08/x - Step 3: Cross multiply
22,695,135.16x = 31,320,164.82 × 12,906,473.08 - Step 4: Simplify right side
22,695,135.16x = 404,232,864,110,493.06 - Step 5: Solve for x
x = 404,232,864,110,493.06/22,695,135.16 - Step 6: Final answer
x = 17,811,432.33
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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.