Finding the Fourth Proportional to 14,257,181.80, 21,385,772.70 and 6,580,811.80
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Solution
The fourth proportional to 14,257,181.80, 21,385,772.70 and 6,580,811.80 is: 9,871,217.70
Step by Step Solution
- Step 1: Write the proportion equation
14,257,181.80 : 21,385,772.70 = 6,580,811.80 : x - Step 2: Convert to fraction form
14,257,181.80/21,385,772.70 = 6,580,811.80/x - Step 3: Cross multiply
14,257,181.80x = 21,385,772.70 × 6,580,811.80 - Step 4: Simplify right side
14,257,181.80x = 140,735,745,336,277.84 - Step 5: Solve for x
x = 140,735,745,336,277.84/14,257,181.80 - Step 6: Final answer
x = 9,871,217.70
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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.