Finding the Fourth Proportional to 14,477,702.80, 21,702,269.40 and 8,091,014.80
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Solution
The fourth proportional to 14,477,702.80, 21,702,269.40 and 8,091,014.80 is: 12,128,538.99
Step by Step Solution
- Step 1: Write the proportion equation
14,477,702.80 : 21,702,269.40 = 8,091,014.80 : x - Step 2: Convert to fraction form
14,477,702.80/21,702,269.40 = 8,091,014.80/x - Step 3: Cross multiply
14,477,702.80x = 21,702,269.40 × 8,091,014.80 - Step 4: Simplify right side
14,477,702.80x = 175,593,382,908,987.09 - Step 5: Solve for x
x = 175,593,382,908,987.09/14,477,702.80 - Step 6: Final answer
x = 12,128,538.99
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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.