Finding the Fourth Proportional to 12,903,134.80, 19,354,702.20 and 12,704,069.20
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Solution
The fourth proportional to 12,903,134.80, 19,354,702.20 and 12,704,069.20 is: 19,056,103.80
Step by Step Solution
- Step 1: Write the proportion equation
12,903,134.80 : 19,354,702.20 = 12,704,069.20 : x - Step 2: Convert to fraction form
12,903,134.80/19,354,702.20 = 12,704,069.20/x - Step 3: Cross multiply
12,903,134.80x = 19,354,702.20 × 12,704,069.20 - Step 4: Simplify right side
12,903,134.80x = 245,883,476,094,192.22 - Step 5: Solve for x
x = 245,883,476,094,192.22/12,903,134.80 - Step 6: Final answer
x = 19,056,103.80
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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.