Finding the Fourth Proportional to 14,778,286.92, 20,408,122.08 and 13,973,164.74
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Solution
The fourth proportional to 14,778,286.92, 20,408,122.08 and 13,973,164.74 is: 19,296,286.06
Step by Step Solution
- Step 1: Write the proportion equation
14,778,286.92 : 20,408,122.08 = 13,973,164.74 : x - Step 2: Convert to fraction form
14,778,286.92/20,408,122.08 = 13,973,164.74/x - Step 3: Cross multiply
14,778,286.92x = 20,408,122.08 × 13,973,164.74 - Step 4: Simplify right side
14,778,286.92x = 285,166,051,857,871.44 - Step 5: Solve for x
x = 285,166,051,857,871.44/14,778,286.92 - Step 6: Final answer
x = 19,296,286.06
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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.