Finding the Fourth Proportional to 13,667,058.37, 18,864,283.08 and 8,507,356.75
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Solution
The fourth proportional to 13,667,058.37, 18,864,283.08 and 8,507,356.75 is: 11,742,481.93
Step by Step Solution
- Step 1: Write the proportion equation
13,667,058.37 : 18,864,283.08 = 8,507,356.75 : x - Step 2: Convert to fraction form
13,667,058.37/18,864,283.08 = 8,507,356.75/x - Step 3: Cross multiply
13,667,058.37x = 18,864,283.08 × 8,507,356.75 - Step 4: Simplify right side
13,667,058.37x = 160,485,185,994,548.78 - Step 5: Solve for x
x = 160,485,185,994,548.78/13,667,058.37 - Step 6: Final answer
x = 11,742,481.93
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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.