Finding the Fourth Proportional to 14,031,216.70, 21,046,825.05 and 7,984,599.10
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Solution
The fourth proportional to 14,031,216.70, 21,046,825.05 and 7,984,599.10 is: 11,976,898.65
Step by Step Solution
- Step 1: Write the proportion equation
14,031,216.70 : 21,046,825.05 = 7,984,599.10 : x - Step 2: Convert to fraction form
14,031,216.70/21,046,825.05 = 7,984,599.10/x - Step 3: Cross multiply
14,031,216.70x = 21,046,825.05 × 7,984,599.10 - Step 4: Simplify right side
14,031,216.70x = 168,050,460,352,087.44 - Step 5: Solve for x
x = 168,050,460,352,087.44/14,031,216.70 - Step 6: Final answer
x = 11,976,898.65
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1.5x scale
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.