Finding the Fourth Proportional to 11,071,651.14, 15,279,257.07 and 6,425,078.22
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Solution
The fourth proportional to 11,071,651.14, 15,279,257.07 and 6,425,078.22 is: 8,866,827.59
Step by Step Solution
- Step 1: Write the proportion equation
11,071,651.14 : 15,279,257.07 = 6,425,078.22 : x - Step 2: Convert to fraction form
11,071,651.14/15,279,257.07 = 6,425,078.22/x - Step 3: Cross multiply
11,071,651.14x = 15,279,257.07 × 6,425,078.22 - Step 4: Simplify right side
11,071,651.14x = 98,170,421,818,238.02 - Step 5: Solve for x
x = 98,170,421,818,238.02/11,071,651.14 - Step 6: Final answer
x = 8,866,827.59
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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.