Finding the Fourth Proportional to 20,177,405.80, 30,266,108.70 and 17,343,053.80
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Solution
The fourth proportional to 20,177,405.80, 30,266,108.70 and 17,343,053.80 is: 26,014,580.70
Step by Step Solution
- Step 1: Write the proportion equation
20,177,405.80 : 30,266,108.70 = 17,343,053.80 : x - Step 2: Convert to fraction form
20,177,405.80/30,266,108.70 = 17,343,053.80/x - Step 3: Cross multiply
20,177,405.80x = 30,266,108.70 × 17,343,053.80 - Step 4: Simplify right side
20,177,405.80x = 524,906,751,500,748.06 - Step 5: Solve for x
x = 524,906,751,500,748.06/20,177,405.80 - Step 6: Final answer
x = 26,014,580.70
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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.