Finding the Fourth Proportional to 14,330,456.67, 19,775,134.40 and 7,891,928.67
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Solution
The fourth proportional to 14,330,456.67, 19,775,134.40 and 7,891,928.67 is: 10,890,368.23
Step by Step Solution
- Step 1: Write the proportion equation
14,330,456.67 : 19,775,134.40 = 7,891,928.67 : x - Step 2: Convert to fraction form
14,330,456.67/19,775,134.40 = 7,891,928.67/x - Step 3: Cross multiply
14,330,456.67x = 19,775,134.40 × 7,891,928.67 - Step 4: Simplify right side
14,330,456.67x = 156,063,950,025,587.56 - Step 5: Solve for x
x = 156,063,950,025,587.56/14,330,456.67 - Step 6: Final answer
x = 10,890,368.23
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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.