Finding the Fourth Proportional to 10,420,758.87, 14,380,731.66 and 5,774,621.52
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Solution
The fourth proportional to 10,420,758.87, 14,380,731.66 and 5,774,621.52 is: 7,969,024.48
Step by Step Solution
- Step 1: Write the proportion equation
10,420,758.87 : 14,380,731.66 = 5,774,621.52 : x - Step 2: Convert to fraction form
10,420,758.87/14,380,731.66 = 5,774,621.52/x - Step 3: Cross multiply
10,420,758.87x = 14,380,731.66 × 5,774,621.52 - Step 4: Simplify right side
10,420,758.87x = 83,043,282,517,181.31 - Step 5: Solve for x
x = 83,043,282,517,181.31/10,420,758.87 - Step 6: Final answer
x = 7,969,024.48
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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.