Finding the Fourth Proportional to 7,447,405.41, 11,171,091.61 and 1,982,501.46
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Solution
The fourth proportional to 7,447,405.41, 11,171,091.61 and 1,982,501.46 is: 2,973,747.80
Step by Step Solution
- Step 1: Write the proportion equation
7,447,405.41 : 11,171,091.61 = 1,982,501.46 : x - Step 2: Convert to fraction form
7,447,405.41/11,171,091.61 = 1,982,501.46/x - Step 3: Cross multiply
7,447,405.41x = 11,171,091.61 × 1,982,501.46 - Step 4: Simplify right side
7,447,405.41x = 22,146,705,429,096.88 - Step 5: Solve for x
x = 22,146,705,429,096.88/7,447,405.41 - Step 6: Final answer
x = 2,973,747.80
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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.