Finding the Fourth Proportional to 16,389,702.40, 24,584,553.60 and 13,201,056.40
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Solution
The fourth proportional to 16,389,702.40, 24,584,553.60 and 13,201,056.40 is: 19,801,584.60
Step by Step Solution
- Step 1: Write the proportion equation
16,389,702.40 : 24,584,553.60 = 13,201,056.40 : x - Step 2: Convert to fraction form
16,389,702.40/24,584,553.60 = 13,201,056.40/x - Step 3: Cross multiply
16,389,702.40x = 24,584,553.60 × 13,201,056.40 - Step 4: Simplify right side
16,389,702.40x = 324,542,078,642,423.06 - Step 5: Solve for x
x = 324,542,078,642,423.06/16,389,702.40 - Step 6: Final answer
x = 19,801,584.60
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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.