Finding the Fourth Proportional to 16,128,220.70, 24,192,331.05 and 13,104,911.90
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Solution
The fourth proportional to 16,128,220.70, 24,192,331.05 and 13,104,911.90 is: 19,657,367.85
Step by Step Solution
- Step 1: Write the proportion equation
16,128,220.70 : 24,192,331.05 = 13,104,911.90 : x - Step 2: Convert to fraction form
16,128,220.70/24,192,331.05 = 13,104,911.90/x - Step 3: Cross multiply
16,128,220.70x = 24,192,331.05 × 13,104,911.90 - Step 4: Simplify right side
16,128,220.70x = 317,038,367,065,884.50 - Step 5: Solve for x
x = 317,038,367,065,884.50/16,128,220.70 - Step 6: Final answer
x = 19,657,367.85
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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.