Finding the Fourth Proportional to 11,553,439.05, 15,944,244.09 and 6,396,800.58
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Solution
The fourth proportional to 11,553,439.05, 15,944,244.09 and 6,396,800.58 is: 8,827,860.64
Step by Step Solution
- Step 1: Write the proportion equation
11,553,439.05 : 15,944,244.09 = 6,396,800.58 : x - Step 2: Convert to fraction form
11,553,439.05/15,944,244.09 = 6,396,800.58/x - Step 3: Cross multiply
11,553,439.05x = 15,944,244.09 × 6,396,800.58 - Step 4: Simplify right side
11,553,439.05x = 101,992,149,842,573.58 - Step 5: Solve for x
x = 101,992,149,842,573.58/11,553,439.05 - Step 6: Final answer
x = 8,827,860.64
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1.5x scale
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.