Finding the Fourth Proportional to 12,630,968.48, 18,948,790.08 and 3,997,241.98
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Solution
The fourth proportional to 12,630,968.48, 18,948,790.08 and 3,997,241.98 is: 5,996,602.65
Step by Step Solution
- Step 1: Write the proportion equation
12,630,968.48 : 18,948,790.08 = 3,997,241.98 : x - Step 2: Convert to fraction form
12,630,968.48/18,948,790.08 = 3,997,241.98/x - Step 3: Cross multiply
12,630,968.48x = 18,948,790.08 × 3,997,241.98 - Step 4: Simplify right side
12,630,968.48x = 75,742,899,130,611.58 - Step 5: Solve for x
x = 75,742,899,130,611.58/12,630,968.48 - Step 6: Final answer
x = 5,996,602.65
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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.