Finding the Fourth Proportional to 8,735,907.87, 12,056,449.68 and 5,252,381.37
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Solution
The fourth proportional to 8,735,907.87, 12,056,449.68 and 5,252,381.37 is: 7,248,825.49
Step by Step Solution
- Step 1: Write the proportion equation
8,735,907.87 : 12,056,449.68 = 5,252,381.37 : x - Step 2: Convert to fraction form
8,735,907.87/12,056,449.68 = 5,252,381.37/x - Step 3: Cross multiply
8,735,907.87x = 12,056,449.68 × 5,252,381.37 - Step 4: Simplify right side
8,735,907.87x = 63,325,071,687,574.46 - Step 5: Solve for x
x = 63,325,071,687,574.46/8,735,907.87 - Step 6: Final answer
x = 7,248,825.49
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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.