Finding the Fourth Proportional to 19,630,974.14, 29,459,911.94 and 6,851,478.84
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Solution
The fourth proportional to 19,630,974.14, 29,459,911.94 and 6,851,478.84 is: 10,281,912.75
Step by Step Solution
- Step 1: Write the proportion equation
19,630,974.14 : 29,459,911.94 = 6,851,478.84 : x - Step 2: Convert to fraction form
19,630,974.14/29,459,911.94 = 6,851,478.84/x - Step 3: Cross multiply
19,630,974.14x = 29,459,911.94 × 6,851,478.84 - Step 4: Simplify right side
19,630,974.14x = 201,843,963,285,173.34 - Step 5: Solve for x
x = 201,843,963,285,173.34/19,630,974.14 - Step 6: Final answer
x = 10,281,912.75
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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.