Finding the Fourth Proportional to 11,686,867.24, 16,127,595.26 and 6,388,326.66
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Solution
The fourth proportional to 11,686,867.24, 16,127,595.26 and 6,388,326.66 is: 8,815,736.89
Step by Step Solution
- Step 1: Write the proportion equation
11,686,867.24 : 16,127,595.26 = 6,388,326.66 : x - Step 2: Convert to fraction form
11,686,867.24/16,127,595.26 = 6,388,326.66/x - Step 3: Cross multiply
11,686,867.24x = 16,127,595.26 × 6,388,326.66 - Step 4: Simplify right side
11,686,867.24x = 103,028,346,673,073.12 - Step 5: Solve for x
x = 103,028,346,673,073.12/11,686,867.24 - Step 6: Final answer
x = 8,815,736.89
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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.