Finding the Fourth Proportional to 18,612,698.44, 27,926,741.58 and 8,232,459.88
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Solution
The fourth proportional to 18,612,698.44, 27,926,741.58 and 8,232,459.88 is: 12,352,092.87
Step by Step Solution
- Step 1: Write the proportion equation
18,612,698.44 : 27,926,741.58 = 8,232,459.88 : x - Step 2: Convert to fraction form
18,612,698.44/27,926,741.58 = 8,232,459.88/x - Step 3: Cross multiply
18,612,698.44x = 27,926,741.58 × 8,232,459.88 - Step 4: Simplify right side
18,612,698.44x = 229,905,779,636,477.78 - Step 5: Solve for x
x = 229,905,779,636,477.78/18,612,698.44 - Step 6: Final answer
x = 12,352,092.87
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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.