Finding the Fourth Proportional to 19,545,311.56, 26,972,519.40 and 10,724,820.70
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Solution
The fourth proportional to 19,545,311.56, 26,972,519.40 and 10,724,820.70 is: 14,800,246.78
Step by Step Solution
- Step 1: Write the proportion equation
19,545,311.56 : 26,972,519.40 = 10,724,820.70 : x - Step 2: Convert to fraction form
19,545,311.56/26,972,519.40 = 10,724,820.70/x - Step 3: Cross multiply
19,545,311.56x = 26,972,519.40 × 10,724,820.70 - Step 4: Simplify right side
19,545,311.56x = 289,275,434,392,271.56 - Step 5: Solve for x
x = 289,275,434,392,271.56/19,545,311.56 - Step 6: Final answer
x = 14,800,246.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.