Finding the Fourth Proportional to 14,374,783.35, 19,838,940.63 and 8,181,336.03
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Solution
The fourth proportional to 14,374,783.35, 19,838,940.63 and 8,181,336.03 is: 11,291,233.81
Step by Step Solution
- Step 1: Write the proportion equation
14,374,783.35 : 19,838,940.63 = 8,181,336.03 : x - Step 2: Convert to fraction form
14,374,783.35/19,838,940.63 = 8,181,336.03/x - Step 3: Cross multiply
14,374,783.35x = 19,838,940.63 × 8,181,336.03 - Step 4: Simplify right side
14,374,783.35x = 162,309,039,773,249.91 - Step 5: Solve for x
x = 162,309,039,773,249.91/14,374,783.35 - Step 6: Final answer
x = 11,291,233.81
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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.