Finding the Fourth Proportional to 11,553,575.94, 15,944,432.58 and 6,396,937.20
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Solution
The fourth proportional to 11,553,575.94, 15,944,432.58 and 6,396,937.20 is: 8,828,048.95
Step by Step Solution
- Step 1: Write the proportion equation
11,553,575.94 : 15,944,432.58 = 6,396,937.20 : x - Step 2: Convert to fraction form
11,553,575.94/15,944,432.58 = 6,396,937.20/x - Step 3: Cross multiply
11,553,575.94x = 15,944,432.58 × 6,396,937.20 - Step 4: Simplify right side
11,553,575.94x = 101,995,533,903,893.98 - Step 5: Solve for x
x = 101,995,533,903,893.98/11,553,575.94 - Step 6: Final answer
x = 8,828,048.95
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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.