Finding the Fourth Proportional to 18,232,448.81, 27,338,577.08 and 7,457,316.35
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Solution
The fourth proportional to 18,232,448.81, 27,338,577.08 and 7,457,316.35 is: 11,181,845.06
Step by Step Solution
- Step 1: Write the proportion equation
18,232,448.81 : 27,338,577.08 = 7,457,316.35 : x - Step 2: Convert to fraction form
18,232,448.81/27,338,577.08 = 7,457,316.35/x - Step 3: Cross multiply
18,232,448.81x = 27,338,577.08 × 7,457,316.35 - Step 4: Simplify right side
18,232,448.81x = 203,872,417,670,439.78 - Step 5: Solve for x
x = 203,872,417,670,439.78/18,232,448.81 - Step 6: Final answer
x = 11,181,845.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.