Finding the Fourth Proportional to 8,675,584.06, 12,935,814.14 and 8,437,229.68
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Solution
The fourth proportional to 8,675,584.06, 12,935,814.14 and 8,437,229.68 is: 12,580,413.52
Step by Step Solution
- Step 1: Write the proportion equation
8,675,584.06 : 12,935,814.14 = 8,437,229.68 : x - Step 2: Convert to fraction form
8,675,584.06/12,935,814.14 = 8,437,229.68/x - Step 3: Cross multiply
8,675,584.06x = 12,935,814.14 × 8,437,229.68 - Step 4: Simplify right side
8,675,584.06x = 109,142,434,996,971.67 - Step 5: Solve for x
x = 109,142,434,996,971.67/8,675,584.06 - Step 6: Final answer
x = 12,580,413.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.