Finding the Fourth Proportional to 11,643,423.28, 17,383,267.42 and 8,896,595.02
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Solution
The fourth proportional to 11,643,423.28, 17,383,267.42 and 8,896,595.02 is: 13,282,338.59
Step by Step Solution
- Step 1: Write the proportion equation
11,643,423.28 : 17,383,267.42 = 8,896,595.02 : x - Step 2: Convert to fraction form
11,643,423.28/17,383,267.42 = 8,896,595.02/x - Step 3: Cross multiply
11,643,423.28x = 17,383,267.42 × 8,896,595.02 - Step 4: Simplify right side
11,643,423.28x = 154,651,890,360,100.25 - Step 5: Solve for x
x = 154,651,890,360,100.25/11,643,423.28 - Step 6: Final answer
x = 13,282,338.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.