Finding the Fourth Proportional to 7,771,264.63, 10,724,355.52 and 4,286,525.26
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Solution
The fourth proportional to 7,771,264.63, 10,724,355.52 and 4,286,525.26 is: 5,915,410.56
Step by Step Solution
- Step 1: Write the proportion equation
7,771,264.63 : 10,724,355.52 = 4,286,525.26 : x - Step 2: Convert to fraction form
7,771,264.63/10,724,355.52 = 4,286,525.26/x - Step 3: Cross multiply
7,771,264.63x = 10,724,355.52 × 4,286,525.26 - Step 4: Simplify right side
7,771,264.63x = 45,970,220,833,700.43 - Step 5: Solve for x
x = 45,970,220,833,700.43/7,771,264.63 - Step 6: Final answer
x = 5,915,410.56
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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.