Finding the Fourth Proportional to 56,784,810.60, 85,177,215.90 and 18,450,199.80
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Solution
The fourth proportional to 56,784,810.60, 85,177,215.90 and 18,450,199.80 is: 27,675,299.70
Step by Step Solution
- Step 1: Write the proportion equation
56,784,810.60 : 85,177,215.90 = 18,450,199.80 : x - Step 2: Convert to fraction form
56,784,810.60/85,177,215.90 = 18,450,199.80/x - Step 3: Cross multiply
56,784,810.60x = 85,177,215.90 × 18,450,199.80 - Step 4: Simplify right side
56,784,810.60x = 1,571,536,651,762,737 - Step 5: Solve for x
x = 1,571,536,651,762,737/56,784,810.60 - Step 6: Final answer
x = 27,675,299.70
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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.