Finding the Fourth Proportional to 18,417,459.69, 27,621,477.09 and 5,460,580.53
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Solution
The fourth proportional to 18,417,459.69, 27,621,477.09 and 5,460,580.53 is: 8,189,473.61
Step by Step Solution
- Step 1: Write the proportion equation
18,417,459.69 : 27,621,477.09 = 5,460,580.53 : x - Step 2: Convert to fraction form
18,417,459.69/27,621,477.09 = 5,460,580.53/x - Step 3: Cross multiply
18,417,459.69x = 27,621,477.09 × 5,460,580.53 - Step 4: Simplify right side
18,417,459.69x = 150,829,300,007,495.06 - Step 5: Solve for x
x = 150,829,300,007,495.06/18,417,459.69 - Step 6: Final answer
x = 8,189,473.61
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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.