Finding the Fourth Proportional to 14,374,868.64, 19,839,058.26 and 8,181,421.26
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Solution
The fourth proportional to 14,374,868.64, 19,839,058.26 and 8,181,421.26 is: 11,291,351.39
Step by Step Solution
- Step 1: Write the proportion equation
14,374,868.64 : 19,839,058.26 = 8,181,421.26 : x - Step 2: Convert to fraction form
14,374,868.64/19,839,058.26 = 8,181,421.26/x - Step 3: Cross multiply
14,374,868.64x = 19,839,058.26 × 8,181,421.26 - Step 4: Simplify right side
14,374,868.64x = 162,311,693,026,742.62 - Step 5: Solve for x
x = 162,311,693,026,742.62/14,374,868.64 - Step 6: Final answer
x = 11,291,351.39
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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.