Finding the Fourth Proportional to 11,049,381.70, 15,248,490.96 and 6,340,639.48
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Solution
The fourth proportional to 11,049,381.70, 15,248,490.96 and 6,340,639.48 is: 8,750,280.01
Step by Step Solution
- Step 1: Write the proportion equation
11,049,381.70 : 15,248,490.96 = 6,340,639.48 : x - Step 2: Convert to fraction form
11,049,381.70/15,248,490.96 = 6,340,639.48/x - Step 3: Cross multiply
11,049,381.70x = 15,248,490.96 × 6,340,639.48 - Step 4: Simplify right side
11,049,381.70x = 96,685,183,753,277.88 - Step 5: Solve for x
x = 96,685,183,753,277.88/11,049,381.70 - Step 6: Final answer
x = 8,750,280.01
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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.