Finding the Fourth Proportional to 7,889,544.70, 11,834,317.05 and 6,471,202.30
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Solution
The fourth proportional to 7,889,544.70, 11,834,317.05 and 6,471,202.30 is: 9,706,803.45
Step by Step Solution
- Step 1: Write the proportion equation
7,889,544.70 : 11,834,317.05 = 6,471,202.30 : x - Step 2: Convert to fraction form
7,889,544.70/11,834,317.05 = 6,471,202.30/x - Step 3: Cross multiply
7,889,544.70x = 11,834,317.05 × 6,471,202.30 - Step 4: Simplify right side
7,889,544.70x = 76,582,259,712,889.22 - Step 5: Solve for x
x = 76,582,259,712,889.22/7,889,544.70 - Step 6: Final answer
x = 9,706,803.45
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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.