Finding the Fourth Proportional to 7,719,107.22, 11,564,045.94 and 5,152,583.34
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Solution
The fourth proportional to 7,719,107.22, 11,564,045.94 and 5,152,583.34 is: 7,719,119.42
Step by Step Solution
- Step 1: Write the proportion equation
7,719,107.22 : 11,564,045.94 = 5,152,583.34 : x - Step 2: Convert to fraction form
7,719,107.22/11,564,045.94 = 5,152,583.34/x - Step 3: Cross multiply
7,719,107.22x = 11,564,045.94 × 5,152,583.34 - Step 4: Simplify right side
7,719,107.22x = 59,584,710,453,438.63 - Step 5: Solve for x
x = 59,584,710,453,438.63/7,719,107.22 - Step 6: Final answer
x = 7,719,119.42
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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.