Finding the Fourth Proportional to 14,778,427.32, 20,408,313.96 and 13,973,304.96
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Solution
The fourth proportional to 14,778,427.32, 20,408,313.96 and 13,973,304.96 is: 19,296,477.80
Step by Step Solution
- Step 1: Write the proportion equation
14,778,427.32 : 20,408,313.96 = 13,973,304.96 : x - Step 2: Convert to fraction form
14,778,427.32/20,408,313.96 = 13,973,304.96/x - Step 3: Cross multiply
14,778,427.32x = 20,408,313.96 × 13,973,304.96 - Step 4: Simplify right side
14,778,427.32x = 285,171,594,682,505.25 - Step 5: Solve for x
x = 285,171,594,682,505.25/14,778,427.32 - Step 6: Final answer
x = 19,296,477.80
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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.