Finding the Fourth Proportional to 26,471,660.72, 36,531,778.80 and 14,711,424.60
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Solution
The fourth proportional to 26,471,660.72, 36,531,778.80 and 14,711,424.60 is: 20,302,258.90
Step by Step Solution
- Step 1: Write the proportion equation
26,471,660.72 : 36,531,778.80 = 14,711,424.60 : x - Step 2: Convert to fraction form
26,471,660.72/36,531,778.80 = 14,711,424.60/x - Step 3: Cross multiply
26,471,660.72x = 36,531,778.80 × 14,711,424.60 - Step 4: Simplify right side
26,471,660.72x = 537,434,509,320,078.44 - Step 5: Solve for x
x = 537,434,509,320,078.44/26,471,660.72 - Step 6: Final answer
x = 20,302,258.90
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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.